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人気のある三角関数 >

0.6=(cosh(0.2m))/(cosh(0.4m))

解

0.6 = \frac{cosh ( 0.2 m )}{cosh ( 0.4 m )}

解

m = ln (0.03402 \dots), m = ln (29.38731 \dots)

度

m = - 193.69199 \dots^{\circ}, m = 193.69199 \dots^{\circ}

解答ステップ

0.6 = \frac{cosh ( 0.2 m )}{cosh ( 0.4 m )}

辺を交換する

\frac{cosh ( 0.2 m )}{cosh ( 0.4 m )} = 0.6

三角関数の公式を使用して書き換える

\frac{cosh ( 0.2 m )}{cosh ( 0.4 m )} = 0.6

双曲線の公式を使用する:

cosh (x) = \frac{e ^{x} + e ^{- x}}{2}

\frac{\frac{e ^{0.2 m} + e ^{- 0.2 m}}{2}}{\frac{e ^{0.4 m} + e ^{- 0.4 m}}{2}} = 0.6

\frac{\frac{e ^{0.2 m} + e ^{- 0.2 m}}{2}}{\frac{e ^{0.4 m} + e ^{- 0.4 m}}{2}} = 0.6

\frac{\frac{e ^{0.2 m} + e ^{- 0.2 m}}{2}}{\frac{e ^{0.4 m} + e ^{- 0.4 m}}{2}} = 0.6 : m = ln (0.03402 \dots), m = ln (29.38731 \dots)

\frac{\frac{e ^{0.2 m} + e ^{- 0.2 m}}{2}}{\frac{e ^{0.4 m} + e ^{- 0.4 m}}{2}} = 0.6

以下で両辺を乗じる:

\frac{e ^{0.4 m} + e ^{- 0.4 m}}{2}

\frac{\frac{e ^{0.2 m} + e ^{- 0.2 m}}{2}}{\frac{e ^{0.4 m} + e ^{- 0.4 m}}{2}} \cdot \frac{e ^{0.4 m} + e ^{- 0.4 m}}{2} = 0.6 \cdot \frac{e ^{0.4 m} + e ^{- 0.4 m}}{2}

簡素化

\frac{e ^{0.2 m} + e ^{- 0.2 m}}{2} = \frac{0.6 ( e ^{0.4 m} + e ^{- 0.4 m} )}{2}

指数の規則を適用する

\frac{e ^{0.2 m} + e ^{- 0.2 m}}{2} = \frac{0.6 ( e ^{0.4 m} + e ^{- 0.4 m} )}{2}

指数の規則を適用する:

a^{b c} = (a^{b})^{c}

e^{0.2 m} = (e^{m})^{0.2}, e^{- 0.2 m} = (e^{m})^{- 0.2}, e^{0.4 m} = (e^{m})^{0.4}, e^{- 0.4 m} = (e^{m})^{- 0.4}

\frac{( e ^{m} ) ^{0.2} + ( e ^{m} ) ^{- 0.2}}{2} = \frac{0.6 ( ( e ^{m} ) ^{0.4} + ( e ^{m} ) ^{- 0.4} )}{2}

\frac{( e ^{m} ) ^{0.2} + ( e ^{m} ) ^{- 0.2}}{2} = \frac{0.6 ( ( e ^{m} ) ^{0.4} + ( e ^{m} ) ^{- 0.4} )}{2}

equationを以下で書き換える:

e^{m} = u

\frac{( u ) ^{0.2} + ( u ) ^{- 0.2}}{2} = \frac{0.6 ( ( u ) ^{0.4} + ( u ) ^{- 0.4} )}{2}

解く

\frac{u ^{0.2} + u ^{- 0.2}}{2} = \frac{0.6 ( u ^{0.4} + u ^{- 0.4} )}{2} : u = 0.03402 \dots, u = 29.38731 \dots

\frac{u ^{0.2} + u ^{- 0.2}}{2} = \frac{0.6 ( u ^{0.4} + u ^{- 0.4} )}{2}

以下で両辺を乗じる:

2

\frac{u ^{0.2} + u ^{- 0.2}}{2} \cdot 2 = \frac{0.6 ( u ^{0.4} + u ^{- 0.4} )}{2} \cdot 2

簡素化

u^{0.2} + u^{- 0.2} = 0.6 (u^{0.4} + u^{- 0.4})

拡張

u^{0.2} + u^{- 0.2} : u^{0.2} + \frac{1}{u ^{0.2}}

u^{0.2} + u^{- 0.2}

指数の規則を適用する:

a^{- b} = \frac{1}{a ^{b}}

= u^{0.2} + \frac{1}{u ^{0.2}}

拡張

0.6 (u^{0.4} + u^{- 0.4}) : 0.6 u^{0.4} + \frac{0.6}{u ^{0.4}}

0.6 (u^{0.4} + u^{- 0.4})

指数の規則を適用する:

a^{- b} = \frac{1}{a ^{b}}

= 0.6 (u^{0.4} + \frac{1}{u ^{0.4}})

分配法則を適用する:

a (b + c) = ab + a c

a = 0.6, b = u^{0.4}, c = \frac{1}{u ^{0.4}}

= 0.6 u^{0.4} + 0.6 \cdot \frac{1}{u ^{0.4}}

0.6 \cdot \frac{1}{u ^{0.4}} = \frac{0.6}{u ^{0.4}}

0.6 \cdot \frac{1}{u ^{0.4}}

分数を乗じる:

a \cdot \frac{b}{c} = \frac{a \cdot b}{c}

= \frac{1 \cdot 0.6}{u ^{0.4}}

数を乗じる:

1 \cdot 0.6 = 0.6

= \frac{0.6}{u ^{0.4}}

= 0.6 u^{0.4} + \frac{0.6}{u ^{0.4}}

u^{0.2} + \frac{1}{u ^{0.2}} = 0.6 u^{0.4} + \frac{0.6}{u ^{0.4}}

以下のべき指数プロパティを使用する

: a^{n} = (m a)^{(n \cdot m)}

u^{0.4} = (5 u)^{(0.4 \cdot 5)}

5 u + \frac{1}{5 u} = 0.6 (5 u)^{2} + \frac{0.6}{( 5 u ) ^{2}}

equationを以下で書き換える:

5 u = v

v + \frac{1}{v} = 0.6 v^{2} + \frac{0.6}{v ^{2}}

解く

v + \frac{1}{v} = 0.6 v^{2} + \frac{0.6}{v ^{2}} : v \approx 0.50859 \dots, v \approx 1.96621 \dots

v + \frac{1}{v} = 0.6 v^{2} + \frac{0.6}{v ^{2}}

LCMで乗じる

v + \frac{1}{v} = 0.6 v^{2} + \frac{0.6}{v ^{2}}

小数点を取り除くには, 小数点以下の各桁に10を乗じます小数点の右側は1桁なので,

10 を乗じます

v \cdot 10 + \frac{1}{v} \cdot 10 = 0.6 v^{2} \cdot 10 + \frac{0.6}{v ^{2}} \cdot 10

改良

10 v + \frac{10}{v} = 6 v^{2} + \frac{6}{v ^{2}}

以下の最小公倍数を求める:

v, v^{2} : v^{2}

v, v^{2}

最小公倍数 (LCM)

v

または以下のいずれかに現れる因数で構成された式を計算する:

v^{2}

= v^{2}

以下で乗じる: LCM=

v^{2}

10 v v^{2} + \frac{10}{v} v^{2} = 6 v^{2} v^{2} + \frac{6}{v ^{2}} v^{2}

簡素化

10 v v^{2} + \frac{10}{v} v^{2} = 6 v^{2} v^{2} + \frac{6}{v ^{2}} v^{2}

簡素化

10 v v^{2} : 10 v^{3}

10 v v^{2}

指数の規則を適用する:

a^{b} \cdot a^{c} = a^{b + c}

v v^{2} = v^{1 + 2}

= 10 v^{1 + 2}

数を足す:

1 + 2 = 3

= 10 v^{3}

簡素化

\frac{10}{v} v^{2} : 10 v

\frac{10}{v} v^{2}

分数を乗じる:

a \cdot \frac{b}{c} = \frac{a \cdot b}{c}

= \frac{10 v ^{2}}{v}

共通因数を約分する:

v

= 10 v

簡素化

6 v^{2} v^{2} : 6 v^{4}

6 v^{2} v^{2}

指数の規則を適用する:

a^{b} \cdot a^{c} = a^{b + c}

v^{2} v^{2} = v^{2 + 2}

= 6 v^{2 + 2}

数を足す:

2 + 2 = 4

= 6 v^{4}

簡素化

\frac{6}{v ^{2}} v^{2} : 6

\frac{6}{v ^{2}} v^{2}

分数を乗じる:

a \cdot \frac{b}{c} = \frac{a \cdot b}{c}

= \frac{6 v ^{2}}{v ^{2}}

共通因数を約分する:

v^{2}

= 6

10 v^{3} + 10 v = 6 v^{4} + 6

10 v^{3} + 10 v = 6 v^{4} + 6

10 v^{3} + 10 v = 6 v^{4} + 6

解く

10 v^{3} + 10 v = 6 v^{4} + 6 : v \approx 0.50859 \dots, v \approx 1.96621 \dots

10 v^{3} + 10 v = 6 v^{4} + 6

辺を交換する

6 v^{4} + 6 = 10 v^{3} + 10 v

10 v

を左側に移動します

6 v^{4} + 6 = 10 v^{3} + 10 v

両辺から

10 v

を引く

6 v^{4} + 6 - 10 v = 10 v^{3} + 10 v - 10 v

簡素化

6 v^{4} + 6 - 10 v = 10 v^{3}

6 v^{4} + 6 - 10 v = 10 v^{3}

10 v^{3}

を左側に移動します

6 v^{4} + 6 - 10 v = 10 v^{3}

両辺から

10 v^{3}

を引く

6 v^{4} + 6 - 10 v - 10 v^{3} = 10 v^{3} - 10 v^{3}

簡素化

6 v^{4} + 6 - 10 v - 10 v^{3} = 0

6 v^{4} + 6 - 10 v - 10 v^{3} = 0

標準的な形式で書く

a_{n} x^{n} + \dots + a_{1} x + a_{0} = 0

6 v^{4} - 10 v^{3} - 10 v + 6 = 0

ニュートン・ラプソン法を使用して

6 v^{4} - 10 v^{3} - 10 v + 6 = 0

の解を1つ求める:

v \approx 0.50859 \dots

6 v^{4} - 10 v^{3} - 10 v + 6 = 0

ニュートン・ラプソン概算の定義

f (v) = 6 v^{4} - 10 v^{3} - 10 v + 6

発見する

f^{^{'}} (v) : 24 v^{3} - 30 v^{2} - 10

\frac{d}{d v} (6 v^{4} - 10 v^{3} - 10 v + 6)

和/差の法則を適用:

(f \pm g)^{'} = f^{'} \pm g^{'}

= \frac{d}{d v} (6 v^{4}) - \frac{d}{d v} (10 v^{3}) - \frac{d}{d v} (10 v) + \frac{d}{d v} (6)

\frac{d}{d v} (6 v^{4}) = 24 v^{3}

\frac{d}{d v} (6 v^{4})

定数を除去:

(a \cdot f)^{'} = a \cdot f^{'}

= 6 \frac{d}{d v} (v^{4})

乗の法則を適用:

\frac{d}{d x} (x^{a}) = a \cdot x^{a - 1}

= 6 \cdot 4 v^{4 - 1}

簡素化

= 24 v^{3}

\frac{d}{d v} (10 v^{3}) = 30 v^{2}

\frac{d}{d v} (10 v^{3})

定数を除去:

(a \cdot f)^{'} = a \cdot f^{'}

= 10 \frac{d}{d v} (v^{3})

乗の法則を適用:

\frac{d}{d x} (x^{a}) = a \cdot x^{a - 1}

= 10 \cdot 3 v^{3 - 1}

簡素化

= 30 v^{2}

\frac{d}{d v} (10 v) = 10

\frac{d}{d v} (10 v)

定数を除去:

(a \cdot f)^{'} = a \cdot f^{'}

= 10 \frac{d v}{d v}

共通の導関数を適用:

\frac{d v}{d v} = 1

= 10 \cdot 1

簡素化

= 10

\frac{d}{d v} (6) = 0

\frac{d}{d v} (6)

定数の導関数:

\frac{d}{d x} (a) = 0

= 0

= 24 v^{3} - 30 v^{2} - 10 + 0

簡素化

= 24 v^{3} - 30 v^{2} - 10

仮定:

v_{0} = 1

Δ v_{n + 1} <

になるまで

v_{n + 1}

を計算する

0.000001

v_{1} = 0.5 : Δ v_{1} = 0.5

f (v_{0}) = 6 \cdot 1^{4} - 10 \cdot 1^{3} - 10 \cdot 1 + 6 = - 8

f^{^{'}} (v_{0}) = 24 \cdot 1^{3} - 30 \cdot 1^{2} - 10 = - 16

v_{1} = 0.5

Δ v_{1} = ∣ 0.5 - 1 ∣ = 0.5

Δ v_{1} = 0.5

v_{2} = 0.50862 \dots : Δ v_{2} = 0.00862 \dots

f (v_{1}) = 6 \cdot 0. 5^{4} - 10 \cdot 0. 5^{3} - 10 \cdot 0.5 + 6 = 0.125

f^{^{'}} (v_{1}) = 24 \cdot 0. 5^{3} - 30 \cdot 0. 5^{2} - 10 = - 14.5

v_{2} = 0.50862 \dots

Δ v_{2} = ∣ 0.50862 \dots - 0.5 ∣ = 0.00862 \dots

Δ v_{2} = 0.00862 \dots

v_{3} = 0.50859 \dots : Δ v_{3} = 0.00003 \dots

f (v_{2}) = 6 \cdot 0.50862 \dots^{4} - 10 \cdot 0.50862 \dots^{3} - 10 \cdot 0.50862 \dots + 6 = - 0.00044 \dots

f^{^{'}} (v_{2}) = 24 \cdot 0.50862 \dots^{3} - 30 \cdot 0.50862 \dots^{2} - 10 = - 14.60298 \dots

v_{3} = 0.50859 \dots

Δ v_{3} = ∣ 0.50859 \dots - 0.50862 \dots ∣ = 0.00003 \dots

Δ v_{3} = 0.00003 \dots

v_{4} = 0.50859 \dots : Δ v_{4} = 3.77392 E - 10

f (v_{3}) = 6 \cdot 0.50859 \dots^{4} - 10 \cdot 0.50859 \dots^{3} - 10 \cdot 0.50859 \dots + 6 = - 5.51091 E - 9

f^{^{'}} (v_{3}) = 24 \cdot 0.50859 \dots^{3} - 30 \cdot 0.50859 \dots^{2} - 10 = - 14.60262 \dots

v_{4} = 0.50859 \dots

Δ v_{4} = ∣ 0.50859 \dots - 0.50859 \dots ∣ = 3.77392 E - 10

Δ v_{4} = 3.77392 E - 10

v \approx 0.50859 \dots

長除法を適用する:

\frac{6 v ^{4} - 10 v ^{3} - 10 v + 6}{v - 0.50859 \dots} = 6 v^{3} - 6.94845 \dots v^{2} - 3.53391 \dots v - 11.79731 \dots

6 v^{3} - 6.94845 \dots v^{2} - 3.53391 \dots v - 11.79731 \dots \approx 0

ニュートン・ラプソン法を使用して

6 v^{3} - 6.94845 \dots v^{2} - 3.53391 \dots v - 11.79731 \dots = 0

の解を1つ求める:

v \approx 1.96621 \dots

6 v^{3} - 6.94845 \dots v^{2} - 3.53391 \dots v - 11.79731 \dots = 0

ニュートン・ラプソン概算の定義

f (v) = 6 v^{3} - 6.94845 \dots v^{2} - 3.53391 \dots v - 11.79731 \dots

発見する

f^{^{'}} (v) : 18 v^{2} - 13.89691 \dots v - 3.53391 \dots

\frac{d}{d v} (6 v^{3} - 6.94845 \dots v^{2} - 3.53391 \dots v - 11.79731 \dots)

和/差の法則を適用:

(f \pm g)^{'} = f^{'} \pm g^{'}

= \frac{d}{d v} (6 v^{3}) - \frac{d}{d v} (6.94845 \dots v^{2}) - \frac{d}{d v} (3.53391 \dots v) - \frac{d}{d v} (11.79731 \dots)

\frac{d}{d v} (6 v^{3}) = 18 v^{2}

\frac{d}{d v} (6 v^{3})

定数を除去:

(a \cdot f)^{'} = a \cdot f^{'}

= 6 \frac{d}{d v} (v^{3})

乗の法則を適用:

\frac{d}{d x} (x^{a}) = a \cdot x^{a - 1}

= 6 \cdot 3 v^{3 - 1}

簡素化

= 18 v^{2}

\frac{d}{d v} (6.94845 \dots v^{2}) = 13.89691 \dots v

\frac{d}{d v} (6.94845 \dots v^{2})

定数を除去:

(a \cdot f)^{'} = a \cdot f^{'}

= 6.94845 \dots \frac{d}{d v} (v^{2})

乗の法則を適用:

\frac{d}{d x} (x^{a}) = a \cdot x^{a - 1}

= 6.94845 \dots \cdot 2 v^{2 - 1}

簡素化

= 13.89691 \dots v

\frac{d}{d v} (3.53391 \dots v) = 3.53391 \dots

\frac{d}{d v} (3.53391 \dots v)

定数を除去:

(a \cdot f)^{'} = a \cdot f^{'}

= 3.53391 \dots \frac{d v}{d v}

共通の導関数を適用:

\frac{d v}{d v} = 1

= 3.53391 \dots \cdot 1

簡素化

= 3.53391 \dots

\frac{d}{d v} (11.79731 \dots) = 0

\frac{d}{d v} (11.79731 \dots)

定数の導関数:

\frac{d}{d x} (a) = 0

= 0

= 18 v^{2} - 13.89691 \dots v - 3.53391 \dots - 0

簡素化

= 18 v^{2} - 13.89691 \dots v - 3.53391 \dots

仮定:

v_{0} = - 3

Δ v_{n + 1} <

になるまで

v_{n + 1}

を計算する

0.000001

v_{1} = - 1.87222 \dots : Δ v_{1} = 1.12777 \dots

f (v_{0}) = 6 (- 3)^{3} - 6.94845 \dots (- 3)^{2} - 3.53391 \dots (- 3) - 11.79731 \dots = - 225.73168 \dots

f^{^{'}} (v_{0}) = 18 (- 3)^{2} - 13.89691 \dots (- 3) - 3.53391 \dots = 200.15683 \dots

v_{1} = - 1.87222 \dots

Δ v_{1} = ∣ - 1.87222 \dots - (- 3) ∣ = 1.12777 \dots

Δ v_{1} = 1.12777 \dots

v_{2} = - 1.06697 \dots : Δ v_{2} = 0.80525 \dots

f (v_{1}) = 6 (- 1.87222 \dots)^{3} - 6.94845 \dots (- 1.87222 \dots)^{2} - 3.53391 \dots (- 1.87222 \dots) - 11.79731 \dots = - 68.91246 \dots

f^{^{'}} (v_{1}) = 18 (- 1.87222 \dots)^{2} - 13.89691 \dots (- 1.87222 \dots) - 3.53391 \dots = 85.57838 \dots

v_{2} = - 1.06697 \dots

Δ v_{2} = ∣ - 1.06697 \dots - (- 1.87222 \dots) ∣ = 0.80525 \dots

Δ v_{2} = 0.80525 \dots

v_{3} = - 0.33628 \dots : Δ v_{3} = 0.73068 \dots

f (v_{2}) = 6 (- 1.06697 \dots)^{3} - 6.94845 \dots (- 1.06697 \dots)^{2} - 3.53391 \dots (- 1.06697 \dots) - 11.79731 \dots = - 23.22503 \dots

f^{^{'}} (v_{2}) = 18 (- 1.06697 \dots)^{2} - 13.89691 \dots (- 1.06697 \dots) - 3.53391 \dots = 31.78535 \dots

v_{3} = - 0.33628 \dots

Δ v_{3} = ∣ - 0.33628 \dots - (- 1.06697 \dots) ∣ = 0.73068 \dots

Δ v_{3} = 0.73068 \dots

v_{4} = 3.32442 \dots : Δ v_{4} = 3.66071 \dots

f (v_{3}) = 6 (- 0.33628 \dots)^{3} - 6.94845 \dots (- 0.33628 \dots)^{2} - 3.53391 \dots (- 0.33628 \dots) - 11.79731 \dots = - 11.62288 \dots

f^{^{'}} (v_{3}) = 18 (- 0.33628 \dots)^{2} - 13.89691 \dots (- 0.33628 \dots) - 3.53391 \dots = 3.17502 \dots

v_{4} = 3.32442 \dots

Δ v_{4} = ∣ 3.32442 \dots - (- 0.33628 \dots) ∣ = 3.66071 \dots

Δ v_{4} = 3.66071 \dots

v_{5} = 2.51941 \dots : Δ v_{5} = 0.80501 \dots

f (v_{4}) = 6 \cdot 3.32442 \dots^{3} - 6.94845 \dots \cdot 3.32442 \dots^{2} - 3.53391 \dots \cdot 3.32442 \dots - 11.79731 \dots = 120.10728 \dots

f^{^{'}} (v_{4}) = 18 \cdot 3.32442 \dots^{2} - 13.89691 \dots \cdot 3.32442 \dots - 3.53391 \dots = 149.19962 \dots

v_{5} = 2.51941 \dots

Δ v_{5} = ∣ 2.51941 \dots - 3.32442 \dots ∣ = 0.80501 \dots

Δ v_{5} = 0.80501 \dots

v_{6} = 2.10802 \dots : Δ v_{6} = 0.41139 \dots

f (v_{5}) = 6 \cdot 2.51941 \dots^{3} - 6.94845 \dots \cdot 2.51941 \dots^{2} - 3.53391 \dots \cdot 2.51941 \dots - 11.79731 \dots = 31.14567 \dots

f^{^{'}} (v_{5}) = 18 \cdot 2.51941 \dots^{2} - 13.89691 \dots \cdot 2.51941 \dots - 3.53391 \dots = 75.70833 \dots

v_{6} = 2.10802 \dots

Δ v_{6} = ∣ 2.10802 \dots - 2.51941 \dots ∣ = 0.41139 \dots

Δ v_{6} = 0.41139 \dots

v_{7} = 1.97907 \dots : Δ v_{7} = 0.12895 \dots

f (v_{6}) = 6 \cdot 2.10802 \dots^{3} - 6.94845 \dots \cdot 2.10802 \dots^{2} - 3.53391 \dots \cdot 2.10802 \dots - 11.79731 \dots = 6.08132 \dots

f^{^{'}} (v_{6}) = 18 \cdot 2.10802 \dots^{2} - 13.89691 \dots \cdot 2.10802 \dots - 3.53391 \dots = 47.15903 \dots

v_{7} = 1.97907 \dots

Δ v_{7} = ∣ 1.97907 \dots - 2.10802 \dots ∣ = 0.12895 \dots

Δ v_{7} = 0.12895 \dots

v_{8} = 1.96633 \dots : Δ v_{8} = 0.01273 \dots

f (v_{7}) = 6 \cdot 1.97907 \dots^{3} - 6.94845 \dots \cdot 1.97907 \dots^{2} - 3.53391 \dots \cdot 1.97907 \dots - 11.79731 \dots = 0.50256 \dots

f^{^{'}} (v_{7}) = 18 \cdot 1.97907 \dots^{2} - 13.89691 \dots \cdot 1.97907 \dots - 3.53391 \dots = 39.46425 \dots

v_{8} = 1.96633 \dots

Δ v_{8} = ∣ 1.96633 \dots - 1.97907 \dots ∣ = 0.01273 \dots

Δ v_{8} = 0.01273 \dots

v_{9} = 1.96621 \dots : Δ v_{9} = 0.00011 \dots

f (v_{8}) = 6 \cdot 1.96633 \dots^{3} - 6.94845 \dots \cdot 1.96633 \dots^{2} - 3.53391 \dots \cdot 1.96633 \dots - 11.79731 \dots = 0.00463 \dots

f^{^{'}} (v_{8}) = 18 \cdot 1.96633 \dots^{2} - 13.89691 \dots \cdot 1.96633 \dots - 3.53391 \dots = 38.73684 \dots

v_{9} = 1.96621 \dots

Δ v_{9} = ∣ 1.96621 \dots - 1.96633 \dots ∣ = 0.00011 \dots

Δ v_{9} = 0.00011 \dots

v_{10} = 1.96621 \dots : Δ v_{10} = 1.05283 E - 8

f (v_{9}) = 6 \cdot 1.96621 \dots^{3} - 6.94845 \dots \cdot 1.96621 \dots^{2} - 3.53391 \dots \cdot 1.96621 \dots - 11.79731 \dots = 4.0776 E - 7

f^{^{'}} (v_{9}) = 18 \cdot 1.96621 \dots^{2} - 13.89691 \dots \cdot 1.96621 \dots - 3.53391 \dots = 38.73003 \dots

v_{10} = 1.96621 \dots

Δ v_{10} = ∣ 1.96621 \dots - 1.96621 \dots ∣ = 1.05283 E - 8

Δ v_{10} = 1.05283 E - 8

v \approx 1.96621 \dots

長除法を適用する:

\frac{6 v ^{3} - 6.94845 \dots v ^{2} - 3.53391 \dots v - 11.79731 \dots}{v - 1.96621 \dots} = 6 v^{2} + 4.84885 \dots v + 6

6 v^{2} + 4.84885 \dots v + 6 \approx 0

ニュートン・ラプソン法を使用して

6 v^{2} + 4.84885 \dots v + 6 = 0

の解を1つ求める:

以下の解はない:

v \in R

6 v^{2} + 4.84885 \dots v + 6 = 0

ニュートン・ラプソン概算の定義

f (v) = 6 v^{2} + 4.84885 \dots v + 6

発見する

f^{^{'}} (v) : 12 v + 4.84885 \dots

\frac{d}{d v} (6 v^{2} + 4.84885 \dots v + 6)

和/差の法則を適用:

(f \pm g)^{'} = f^{'} \pm g^{'}

= \frac{d}{d v} (6 v^{2}) + \frac{d}{d v} (4.84885 \dots v) + \frac{d}{d v} (6)

\frac{d}{d v} (6 v^{2}) = 12 v

\frac{d}{d v} (6 v^{2})

定数を除去:

(a \cdot f)^{'} = a \cdot f^{'}

= 6 \frac{d}{d v} (v^{2})

乗の法則を適用:

\frac{d}{d x} (x^{a}) = a \cdot x^{a - 1}

= 6 \cdot 2 v^{2 - 1}

簡素化

= 12 v

\frac{d}{d v} (4.84885 \dots v) = 4.84885 \dots

\frac{d}{d v} (4.84885 \dots v)

定数を除去:

(a \cdot f)^{'} = a \cdot f^{'}

= 4.84885 \dots \frac{d v}{d v}

共通の導関数を適用:

\frac{d v}{d v} = 1

= 4.84885 \dots \cdot 1

簡素化

= 4.84885 \dots

\frac{d}{d v} (6) = 0

\frac{d}{d v} (6)

定数の導関数:

\frac{d}{d x} (a) = 0

= 0

= 12 v + 4.84885 \dots + 0

簡素化

= 12 v + 4.84885 \dots

仮定:

v_{0} = - 1

Δ v_{n + 1} <

になるまで

v_{n + 1}

を計算する

0.000001

v_{1} = 0 : Δ v_{1} = 1

f (v_{0}) = 6 (- 1)^{2} + 4.84885 \dots (- 1) + 6 = 7.15114 \dots

f^{^{'}} (v_{0}) = 12 (- 1) + 4.84885 \dots = - 7.15114 \dots

v_{1} = 0

Δ v_{1} = ∣ 0 - (- 1) ∣ = 1

Δ v_{1} = 1

v_{2} = - 1.23740 \dots : Δ v_{2} = 1.23740 \dots

f (v_{1}) = 6 \cdot 0^{2} + 4.84885 \dots \cdot 0 + 6 = 6

f^{^{'}} (v_{1}) = 12 \cdot 0 + 4.84885 \dots = 4.84885 \dots

v_{2} = - 1.23740 \dots

Δ v_{2} = ∣ - 1.23740 \dots - 0 ∣ = 1.23740 \dots

Δ v_{2} = 1.23740 \dots

v_{3} = - 0.31870 \dots : Δ v_{3} = 0.91870 \dots

f (v_{2}) = 6 (- 1.23740 \dots)^{2} + 4.84885 \dots (- 1.23740 \dots) + 6 = 9.18702 \dots

f^{^{'}} (v_{2}) = 12 (- 1.23740 \dots) + 4.84885 \dots = - 10

v_{3} = - 0.31870 \dots

Δ v_{3} = ∣ - 0.31870 \dots - (- 1.23740 \dots) ∣ = 0.91870 \dots

Δ v_{3} = 0.91870 \dots

v_{4} = - 5.26202 \dots : Δ v_{4} = 4.94332 \dots

f (v_{3}) = 6 (- 0.31870 \dots)^{2} + 4.84885 \dots (- 0.31870 \dots) + 6 = 5.06408 \dots

f^{^{'}} (v_{3}) = 12 (- 0.31870 \dots) + 4.84885 \dots = 1.02442 \dots

v_{4} = - 5.26202 \dots

Δ v_{4} = ∣ - 5.26202 \dots - (- 0.31870 \dots) ∣ = 4.94332 \dots

Δ v_{4} = 4.94332 \dots

v_{5} = - 2.74693 \dots : Δ v_{5} = 2.51509 \dots

f (v_{4}) = 6 (- 5.26202 \dots)^{2} + 4.84885 \dots (- 5.26202 \dots) + 6 = 146.61875 \dots

f^{^{'}} (v_{4}) = 12 (- 5.26202 \dots) + 4.84885 \dots = - 58.29546 \dots

v_{5} = - 2.74693 \dots

Δ v_{5} = ∣ - 2.74693 \dots - (- 5.26202 \dots) ∣ = 2.51509 \dots

Δ v_{5} = 2.51509 \dots

v_{6} = - 1.39693 \dots : Δ v_{6} = 1.34999 \dots

f (v_{5}) = 6 (- 2.74693 \dots)^{2} + 4.84885 \dots (- 2.74693 \dots) + 6 = 37.95427 \dots

f^{^{'}} (v_{5}) = 12 (- 2.74693 \dots) + 4.84885 \dots = - 28.11430 \dots

v_{6} = - 1.39693 \dots

Δ v_{6} = ∣ - 1.39693 \dots - (- 2.74693 \dots) ∣ = 1.34999 \dots

Δ v_{6} = 1.34999 \dots

v_{7} = - 0.47912 \dots : Δ v_{7} = 0.91780 \dots

f (v_{6}) = 6 (- 1.39693 \dots)^{2} + 4.84885 \dots (- 1.39693 \dots) + 6 = 10.93498 \dots

f^{^{'}} (v_{6}) = 12 (- 1.39693 \dots) + 4.84885 \dots = - 11.91431 \dots

v_{7} = - 0.47912 \dots

Δ v_{7} = ∣ - 0.47912 \dots - (- 1.39693 \dots) ∣ = 0.91780 \dots

Δ v_{7} = 0.91780 \dots

v_{8} = 5.13225 \dots : Δ v_{8} = 5.61138 \dots

f (v_{7}) = 6 (- 0.47912 \dots)^{2} + 4.84885 \dots (- 0.47912 \dots) + 6 = 5.05415 \dots

f^{^{'}} (v_{7}) = 12 (- 0.47912 \dots) + 4.84885 \dots = - 0.90069 \dots

v_{8} = 5.13225 \dots

Δ v_{8} = ∣ 5.13225 \dots - (- 0.47912 \dots) ∣ = 5.61138 \dots

Δ v_{8} = 5.61138 \dots

v_{9} = 2.28852 \dots : Δ v_{9} = 2.84373 \dots

f (v_{8}) = 6 \cdot 5.13225 \dots^{2} + 4.84885 \dots \cdot 5.13225 \dots + 6 = 188.92585 \dots

f^{^{'}} (v_{8}) = 12 \cdot 5.13225 \dots + 4.84885 \dots = 66.43592 \dots

v_{9} = 2.28852 \dots

Δ v_{9} = ∣ 2.28852 \dots - 5.13225 \dots ∣ = 2.84373 \dots

Δ v_{9} = 2.84373 \dots

v_{10} = 0.78685 \dots : Δ v_{10} = 1.50167 \dots

f (v_{9}) = 6 \cdot 2.28852 \dots^{2} + 4.84885 \dots \cdot 2.28852 \dots + 6 = 48.52081 \dots

f^{^{'}} (v_{9}) = 12 \cdot 2.28852 \dots + 4.84885 \dots = 32.31115 \dots

v_{10} = 0.78685 \dots

Δ v_{10} = ∣ 0.78685 \dots - 2.28852 \dots ∣ = 1.50167 \dots

Δ v_{10} = 1.50167 \dots

v_{11} = - 0.15990 \dots : Δ v_{11} = 0.94675 \dots

f (v_{10}) = 6 \cdot 0.78685 \dots^{2} + 4.84885 \dots \cdot 0.78685 \dots + 6 = 13.53014 \dots

f^{^{'}} (v_{10}) = 12 \cdot 0.78685 \dots + 4.84885 \dots = 14.29107 \dots

v_{11} = - 0.15990 \dots

Δ v_{11} = ∣ - 0.15990 \dots - 0.78685 \dots ∣ = 0.94675 \dots

Δ v_{11} = 0.94675 \dots

v_{12} = - 1.99540 \dots : Δ v_{12} = 1.83550 \dots

f (v_{11}) = 6 (- 0.15990 \dots)^{2} + 4.84885 \dots (- 0.15990 \dots) + 6 = 5.37806 \dots

f^{^{'}} (v_{11}) = 12 (- 0.15990 \dots) + 4.84885 \dots = 2.93001 \dots

v_{12} = - 1.99540 \dots

Δ v_{12} = ∣ - 1.99540 \dots - (- 0.15990 \dots) ∣ = 1.83550 \dots

Δ v_{12} = 1.83550 \dots

解を見つけられない

解答は

v \approx 0.50859 \dots, v \approx 1.96621 \dots

v \approx 0.50859 \dots, v \approx 1.96621 \dots

解を検算する

未定義の (特異) 点を求める:

v = 0

v + \frac{1}{v}

の分母をゼロに比較する

v = 0

0.6 v^{2} + \frac{0.6}{v ^{2}}

の分母をゼロに比較する

解く

v^{2} = 0 : v = 0

v^{2} = 0

規則を適用

x^{n} = 0 \Rightarrow x = 0

v = 0

以下の点は定義されていない

v = 0

未定義のポイントを解に組み合わせる:

v \approx 0.50859 \dots, v \approx 1.96621 \dots

v \approx 0.50859 \dots, v \approx 1.96621 \dots

再び

v = 5 u

に置き換えて以下を解く:

u

解く

5 u = 0.50859 \dots : u = 0.03402 \dots

5 u = 0.50859 \dots

equationの両辺を以下の累乗にする:

5 : u = 0.03402 \dots

5 u = 0.50859 \dots

(5 u)^{5} = 0.50859 \dots^{5}

拡張

(5 u)^{5} : u

(5 u)^{5}

累乗根の規則を適用する:

n a = a^{\frac{1}{n}}

= (u^{\frac{1}{5}})^{5}

指数の規則を適用する:

(a^{b})^{c} = a^{b c}

= u^{\frac{1}{5} \cdot 5}

\frac{1}{5} \cdot 5 = 1

\frac{1}{5} \cdot 5

分数を乗じる:

a \cdot \frac{b}{c} = \frac{a \cdot b}{c}

= \frac{1 \cdot 5}{5}

共通因数を約分する:

5

= 1

= u

拡張

0.50859 \dots^{5} : 0.03402 \dots

0.50859 \dots^{5}

0.50859 \dots^{5} = 0.03402 \dots

= 0.03402 \dots

u = 0.03402 \dots

u = 0.03402 \dots

解を検算する:

u = 0.03402 \dots

真

5 u = 0.50859 \dots

に当てはめて解を確認する

equationに一致しないものを削除する。

挿入

u = 0.03402 \dots :

真

5 0.03402 \dots = 0.50859 \dots

5 0.03402 \dots = 0.50859 \dots

5 0.03402 \dots

5 0.03402 \dots = 0.50859 \dots

= 0.50859 \dots

0.50859 \dots = 0.50859 \dots

真

解は

u = 0.03402 \dots

解く

5 u = 1.96621 \dots : u = 29.38731 \dots

5 u = 1.96621 \dots

equationの両辺を以下の累乗にする:

5 : u = 29.38731 \dots

5 u = 1.96621 \dots

(5 u)^{5} = 1.96621 \dots^{5}

拡張

(5 u)^{5} : u

(5 u)^{5}

累乗根の規則を適用する:

n a = a^{\frac{1}{n}}

= (u^{\frac{1}{5}})^{5}

指数の規則を適用する:

(a^{b})^{c} = a^{b c}

= u^{\frac{1}{5} \cdot 5}

\frac{1}{5} \cdot 5 = 1

\frac{1}{5} \cdot 5

分数を乗じる:

a \cdot \frac{b}{c} = \frac{a \cdot b}{c}

= \frac{1 \cdot 5}{5}

共通因数を約分する:

5

= 1

= u

拡張

1.96621 \dots^{5} : 29.38731 \dots

1.96621 \dots^{5}

1.96621 \dots^{5} = 29.38731 \dots

= 29.38731 \dots

u = 29.38731 \dots

u = 29.38731 \dots

解を検算する:

u = 29.38731 \dots

真

5 u = 1.96621 \dots

に当てはめて解を確認する

equationに一致しないものを削除する。

挿入

u = 29.38731 \dots :

真

5 29.38731 \dots = 1.96621 \dots

5 29.38731 \dots = 1.96621 \dots

5 29.38731 \dots

5 29.38731 \dots = 1.96621 \dots

= 1.96621 \dots

1.96621 \dots = 1.96621 \dots

真

解は

u = 29.38731 \dots

u = 0.03402 \dots, u = 29.38731 \dots

解を検算する:

u = 0.03402 \dots

真

, u = 29.38731 \dots

真

\frac{u ^{0.2} + u ^{- 0.2}}{2} = \frac{0.6 ( u ^{0.4} + u ^{- 0.4} )}{2}

に当てはめて解を確認する

equationに一致しないものを削除する。

挿入

u = 0.03402 \dots :

真

\frac{0.03402 \dots ^{0.2} + 0.03402 \dots ^{- 0.2}}{2} = \frac{0.6 ( 0.03402 \dots ^{0.4} + 0.03402 \dots ^{- 0.4} )}{2}

\frac{0.03402 \dots ^{0.2} + 0.03402 \dots ^{- 0.2}}{2} = 1.23740 \dots

\frac{0.03402 \dots ^{0.2} + 0.03402 \dots ^{- 0.2}}{2}

0.03402 \dots^{0.2} = 0.50859 \dots

= \frac{0.50859 \dots + 0.03402 \dots ^{- 0.2}}{2}

0.03402 \dots^{- 0.2} = 1.96621 \dots

= \frac{0.50859 \dots + 1.96621 \dots}{2}

数を足す:

0.50859 \dots + 1.96621 \dots = 2.47480 \dots

= \frac{2.47480 \dots}{2}

数を割る:

\frac{2.47480 \dots}{2} = 1.23740 \dots

= 1.23740 \dots

\frac{0.6 ( 0.03402 \dots ^{0.4} + 0.03402 \dots ^{- 0.4} )}{2} = 1.23740 \dots

\frac{0.6 ( 0.03402 \dots ^{0.4} + 0.03402 \dots ^{- 0.4} )}{2}

数を割る:

\frac{0.6}{2} = 0.3

= 0.3 (0.03402 \dots^{0.4} + 0.03402 \dots^{- 0.4})

0.03402 \dots^{0.4} = 0.25866 \dots

= 0.3 (0.25866 \dots + 0.03402 \dots^{- 0.4})

0.03402 \dots^{- 0.4} = 3.86601 \dots

= 0.3 (0.25866 \dots + 3.86601 \dots)

数を足す:

0.25866 \dots + 3.86601 \dots = 4.12468 \dots

= 0.3 \cdot 4.12468 \dots

数を乗じる:

0.3 \cdot 4.12468 \dots = 1.23740 \dots

= 1.23740 \dots

1.23740 \dots = 1.23740 \dots

真

挿入

u = 29.38731 \dots :

真

\frac{29.38731 \dots ^{0.2} + 29.38731 \dots ^{- 0.2}}{2} = \frac{0.6 ( 29.38731 \dots ^{0.4} + 29.38731 \dots ^{- 0.4} )}{2}

\frac{29.38731 \dots ^{0.2} + 29.38731 \dots ^{- 0.2}}{2} = 1.23740 \dots

\frac{29.38731 \dots ^{0.2} + 29.38731 \dots ^{- 0.2}}{2}

29.38731 \dots^{0.2} = 1.96621 \dots

= \frac{1.96621 \dots + 29.38731 \dots ^{- 0.2}}{2}

29.38731 \dots^{- 0.2} = 0.50859 \dots

= \frac{1.96621 \dots + 0.50859 \dots}{2}

数を足す:

1.96621 \dots + 0.50859 \dots = 2.47480 \dots

= \frac{2.47480 \dots}{2}

数を割る:

\frac{2.47480 \dots}{2} = 1.23740 \dots

= 1.23740 \dots

\frac{0.6 ( 29.38731 \dots ^{0.4} + 29.38731 \dots ^{- 0.4} )}{2} = 1.23740 \dots

\frac{0.6 ( 29.38731 \dots ^{0.4} + 29.38731 \dots ^{- 0.4} )}{2}

数を割る:

\frac{0.6}{2} = 0.3

= 0.3 (29.38731 \dots^{0.4} + 29.38731 \dots^{- 0.4})

29.38731 \dots^{0.4} = 3.86601 \dots

= 0.3 (3.86601 \dots + 29.38731 \dots^{- 0.4})

29.38731 \dots^{- 0.4} = 0.25866 \dots

= 0.3 (0.25866 \dots + 3.86601 \dots)

数を足す:

3.86601 \dots + 0.25866 \dots = 4.12468 \dots

= 0.3 \cdot 4.12468 \dots

数を乗じる:

0.3 \cdot 4.12468 \dots = 1.23740 \dots

= 1.23740 \dots

1.23740 \dots = 1.23740 \dots

真

解答は

u = 0.03402 \dots, u = 29.38731 \dots

u = 0.03402 \dots, u = 29.38731 \dots

再び

u = e^{m}

に置き換えて以下を解く:

m

解く

e^{m} = 0.03402 \dots : m = ln (0.03402 \dots)

e^{m} = 0.03402 \dots

指数の規則を適用する

e^{m} = 0.03402 \dots

f (x) = g (x)

ならば,

ln (f (x)) = ln (g (x))

ln (e^{m}) = ln (0.03402 \dots)

対数の規則を適用する:

ln (e^{a}) = a

ln (e^{m}) = m

m = ln (0.03402 \dots)

m = ln (0.03402 \dots)

解く

e^{m} = 29.38731 \dots : m = ln (29.38731 \dots)

e^{m} = 29.38731 \dots

指数の規則を適用する

e^{m} = 29.38731 \dots

f (x) = g (x)

ならば,

ln (f (x)) = ln (g (x))

ln (e^{m}) = ln (29.38731 \dots)

対数の規則を適用する:

ln (e^{a}) = a

ln (e^{m}) = m

m = ln (29.38731 \dots)

m = ln (29.38731 \dots)

m = ln (0.03402 \dots), m = ln (29.38731 \dots)

解を検算する:

m = ln (0.03402 \dots)

真

, m = ln (29.38731 \dots)

真

\frac{\frac{e ^{0.2 m} + e ^{- 0.2 m}}{2}}{\frac{e ^{0.4 m} + e ^{- 0.4 m}}{2}} = 0.6

に当てはめて解を確認する

equationに一致しないものを削除する。

挿入

m = ln (0.03402 \dots) :

真

\frac{\frac{e ^{0.2 l n (0.03402 \dots)} + e ^{- 0.2 l n (0.03402 \dots)}}{2}}{\frac{e ^{0.4 l n (0.03402 \dots)} + e ^{- 0.4 l n (0.03402 \dots)}}{2}} = 0.6

\frac{\frac{e ^{0.2 l n (0.03402 \dots)} + e ^{- 0.2 l n (0.03402 \dots)}}{2}}{\frac{e ^{0.4 l n (0.03402 \dots)} + e ^{- 0.4 l n (0.03402 \dots)}}{2}} = 0.6

\frac{\frac{e ^{0.2 l n (0.03402 \dots)} + e ^{- 0.2 l n (0.03402 \dots)}}{2}}{\frac{e ^{0.4 l n (0.03402 \dots)} + e ^{- 0.4 l n (0.03402 \dots)}}{2}}

分数を割る:

\frac{\frac{a}{b}}{\frac{c}{d}} = \frac{a \cdot d}{b \cdot c}

= \frac{( e ^{0.2 l n (0.03402 \dots)} + e ^{- 0.2 l n (0.03402 \dots)} ) \cdot 2}{2 ( e ^{0.4 l n (0.03402 \dots)} + e ^{- 0.4 l n (0.03402 \dots)} )}

共通因数を約分する:

2

= \frac{e ^{0.2 l n (0.03402 \dots)} + e ^{- 0.2 l n (0.03402 \dots)}}{e ^{0.4 l n (0.03402 \dots)} + e ^{- 0.4 l n (0.03402 \dots)}}

e^{0.4 l n (0.03402 \dots)} = 0.03402 \dots^{0.4}

e^{0.4 l n (0.03402 \dots)}

指数の規則を適用する:

a^{b c} = (a^{b})^{c}

= (e^{l n (0.03402 \dots)})^{0.4}

対数の規則を適用する:

a^{l o g_{a} (b)} = b

e^{l n (0.03402 \dots)} = 0.03402 \dots

= 0.03402 \dots^{0.4}

e^{- 0.4 l n (0.03402 \dots)} = 0.03402 \dots^{- 0.4}

e^{- 0.4 l n (0.03402 \dots)}

指数の規則を適用する:

a^{b c} = (a^{b})^{c}

= (e^{l n (0.03402 \dots)})^{- 0.4}

対数の規則を適用する:

a^{l o g_{a} (b)} = b

e^{l n (0.03402 \dots)} = 0.03402 \dots

= 0.03402 \dots^{- 0.4}

= \frac{e ^{0.2 l n (0.03402 \dots)} + e ^{- 0.2 l n (0.03402 \dots)}}{0.03402 \dots ^{0.4} + 0.03402 \dots ^{- 0.4}}

e^{0.2 l n (0.03402 \dots)} = 0.03402 \dots^{0.2}

e^{0.2 l n (0.03402 \dots)}

指数の規則を適用する:

a^{b c} = (a^{b})^{c}

= (e^{l n (0.03402 \dots)})^{0.2}

対数の規則を適用する:

a^{l o g_{a} (b)} = b

e^{l n (0.03402 \dots)} = 0.03402 \dots

= 0.03402 \dots^{0.2}

e^{- 0.2 l n (0.03402 \dots)} = 0.03402 \dots^{- 0.2}

e^{- 0.2 l n (0.03402 \dots)}

指数の規則を適用する:

a^{b c} = (a^{b})^{c}

= (e^{l n (0.03402 \dots)})^{- 0.2}

対数の規則を適用する:

a^{l o g_{a} (b)} = b

e^{l n (0.03402 \dots)} = 0.03402 \dots

= 0.03402 \dots^{- 0.2}

= \frac{0.03402 \dots ^{0.2} + 0.03402 \dots ^{- 0.2}}{0.03402 \dots ^{0.4} + 0.03402 \dots ^{- 0.4}}

簡素化

\frac{0.03402 \dots ^{0.2} + 0.03402 \dots ^{- 0.2}}{0.03402 \dots ^{0.4} + 0.03402 \dots ^{- 0.4}}

指数の規則を適用する:

a^{- b} = \frac{1}{a ^{b}}

0.03402 \dots^{- 0.4} = \frac{1}{0.03402 \dots ^{0.4}}

= \frac{0.03402 \dots ^{0.2} + 0.03402 \dots ^{- 0.2}}{0.03402 \dots ^{0.4} + \frac{1}{0.03402 \dots ^{0.4}}}

指数の規則を適用する:

a^{- b} = \frac{1}{a ^{b}}

0.03402 \dots^{- 0.2} = \frac{1}{0.03402 \dots ^{0.2}}

= \frac{0.03402 \dots ^{0.2} + \frac{1}{0.03402 \dots ^{0.2}}}{0.03402 \dots ^{0.4} + \frac{1}{0.03402 \dots ^{0.4}}}

結合

0.03402 \dots^{0.4} + \frac{1}{0.03402 \dots ^{0.4}} : 4.12468 \dots

0.03402 \dots^{0.4} + \frac{1}{0.03402 \dots ^{0.4}}

元を分数に変換する:

0.03402 \dots^{0.4} = \frac{0.03402 \dots ^{0.4} \cdot 0.03402 \dots ^{0.4}}{0.03402 \dots ^{0.4}}

= \frac{0.03402 \dots ^{0.4} \cdot 0.03402 \dots ^{0.4}}{0.03402 \dots ^{0.4}} + \frac{1}{0.03402 \dots ^{0.4}}

分母が等しいので, 分数を組み合わせる:

\frac{a}{c} \pm \frac{b}{c} = \frac{a \pm b}{c}

= \frac{0.03402 \dots ^{0.4} \cdot 0.03402 \dots ^{0.4} + 1}{0.03402 \dots ^{0.4}}

0.03402 \dots^{0.4} \cdot 0.03402 \dots^{0.4} + 1 = 0.03402 \dots^{0.8} + 1

0.03402 \dots^{0.4} \cdot 0.03402 \dots^{0.4} + 1

0.03402 \dots^{0.4} \cdot 0.03402 \dots^{0.4} = 0.03402 \dots^{0.8}

0.03402 \dots^{0.4} \cdot 0.03402 \dots^{0.4}

指数の規則を適用する:

a^{b} \cdot a^{c} = a^{b + c}

0.03402 \dots^{0.4} \cdot 0.03402 \dots^{0.4} = 0.03402 \dots^{0.4 + 0.4}

= 0.03402 \dots^{0.4 + 0.4}

数を足す:

0.4 + 0.4 = 0.8

= 0.03402 \dots^{0.8}

= 0.03402 \dots^{0.8} + 1

= \frac{0.03402 \dots ^{0.8} + 1}{0.03402 \dots ^{0.4}}

0.03402 \dots^{0.8} = 0.06690 \dots

= \frac{0.06690 \dots + 1}{0.03402 \dots ^{0.4}}

数を足す:

0.06690 \dots + 1 = 1.06690 \dots

= \frac{1.06690 \dots}{0.03402 \dots ^{0.4}}

0.03402 \dots^{0.4} = 0.25866 \dots

= \frac{1.06690 \dots}{0.25866 \dots}

数を割る:

\frac{1.06690 \dots}{0.25866 \dots} = 4.12468 \dots

= 4.12468 \dots

= \frac{0.03402 \dots ^{0.2} + \frac{1}{0.03402 \dots ^{0.2}}}{4.12468 \dots}

結合

0.03402 \dots^{0.2} + \frac{1}{0.03402 \dots ^{0.2}} : 2.47480 \dots

0.03402 \dots^{0.2} + \frac{1}{0.03402 \dots ^{0.2}}

元を分数に変換する:

0.03402 \dots^{0.2} = \frac{0.03402 \dots ^{0.2} \cdot 0.03402 \dots ^{0.2}}{0.03402 \dots ^{0.2}}

= \frac{0.03402 \dots ^{0.2} \cdot 0.03402 \dots ^{0.2}}{0.03402 \dots ^{0.2}} + \frac{1}{0.03402 \dots ^{0.2}}

分母が等しいので, 分数を組み合わせる:

\frac{a}{c} \pm \frac{b}{c} = \frac{a \pm b}{c}

= \frac{0.03402 \dots ^{0.2} \cdot 0.03402 \dots ^{0.2} + 1}{0.03402 \dots ^{0.2}}

0.03402 \dots^{0.2} \cdot 0.03402 \dots^{0.2} + 1 = 0.03402 \dots^{0.4} + 1

0.03402 \dots^{0.2} \cdot 0.03402 \dots^{0.2} + 1

0.03402 \dots^{0.2} \cdot 0.03402 \dots^{0.2} = 0.03402 \dots^{0.4}

0.03402 \dots^{0.2} \cdot 0.03402 \dots^{0.2}

指数の規則を適用する:

a^{b} \cdot a^{c} = a^{b + c}

0.03402 \dots^{0.2} \cdot 0.03402 \dots^{0.2} = 0.03402 \dots^{0.2 + 0.2}

= 0.03402 \dots^{0.2 + 0.2}

数を足す:

0.2 + 0.2 = 0.4

= 0.03402 \dots^{0.4}

= 0.03402 \dots^{0.4} + 1

= \frac{0.03402 \dots ^{0.4} + 1}{0.03402 \dots ^{0.2}}

0.03402 \dots^{0.4} = 0.25866 \dots

= \frac{0.25866 \dots + 1}{0.03402 \dots ^{0.2}}

数を足す:

0.25866 \dots + 1 = 1.25866 \dots

= \frac{1.25866 \dots}{0.03402 \dots ^{0.2}}

0.03402 \dots^{0.2} = 0.50859 \dots

= \frac{1.25866 \dots}{0.50859 \dots}

数を割る:

\frac{1.25866 \dots}{0.50859 \dots} = 2.47480 \dots

= 2.47480 \dots

= \frac{2.47480 \dots}{4.12468 \dots}

数を割る:

\frac{2.47480 \dots}{4.12468 \dots} = 0.6

= 0.6

= 0.6

0.6 = 0.6

真

挿入

m = ln (29.38731 \dots) :

真

\frac{\frac{e ^{0.2 l n (29.38731 \dots)} + e ^{- 0.2 l n (29.38731 \dots)}}{2}}{\frac{e ^{0.4 l n (29.38731 \dots)} + e ^{- 0.4 l n (29.38731 \dots)}}{2}} = 0.6

\frac{\frac{e ^{0.2 l n (29.38731 \dots)} + e ^{- 0.2 l n (29.38731 \dots)}}{2}}{\frac{e ^{0.4 l n (29.38731 \dots)} + e ^{- 0.4 l n (29.38731 \dots)}}{2}} = 0.6

\frac{\frac{e ^{0.2 l n (29.38731 \dots)} + e ^{- 0.2 l n (29.38731 \dots)}}{2}}{\frac{e ^{0.4 l n (29.38731 \dots)} + e ^{- 0.4 l n (29.38731 \dots)}}{2}}

分数を割る:

\frac{\frac{a}{b}}{\frac{c}{d}} = \frac{a \cdot d}{b \cdot c}

= \frac{( e ^{0.2 l n (29.38731 \dots)} + e ^{- 0.2 l n (29.38731 \dots)} ) \cdot 2}{2 ( e ^{0.4 l n (29.38731 \dots)} + e ^{- 0.4 l n (29.38731 \dots)} )}

共通因数を約分する:

2

= \frac{e ^{0.2 l n (29.38731 \dots)} + e ^{- 0.2 l n (29.38731 \dots)}}{e ^{0.4 l n (29.38731 \dots)} + e ^{- 0.4 l n (29.38731 \dots)}}

e^{0.4 l n (29.38731 \dots)} = 29.38731 \dots^{0.4}

e^{0.4 l n (29.38731 \dots)}

指数の規則を適用する:

a^{b c} = (a^{b})^{c}

= (e^{l n (29.38731 \dots)})^{0.4}

対数の規則を適用する:

a^{l o g_{a} (b)} = b

e^{l n (29.38731 \dots)} = 29.38731 \dots

= 29.38731 \dots^{0.4}

e^{- 0.4 l n (29.38731 \dots)} = 29.38731 \dots^{- 0.4}

e^{- 0.4 l n (29.38731 \dots)}

指数の規則を適用する:

a^{b c} = (a^{b})^{c}

= (e^{l n (29.38731 \dots)})^{- 0.4}

対数の規則を適用する:

a^{l o g_{a} (b)} = b

e^{l n (29.38731 \dots)} = 29.38731 \dots

= 29.38731 \dots^{- 0.4}

= \frac{e ^{0.2 l n (29.38731 \dots)} + e ^{- 0.2 l n (29.38731 \dots)}}{29.38731 \dots ^{0.4} + 29.38731 \dots ^{- 0.4}}

e^{0.2 l n (29.38731 \dots)} = 29.38731 \dots^{0.2}

e^{0.2 l n (29.38731 \dots)}

指数の規則を適用する:

a^{b c} = (a^{b})^{c}

= (e^{l n (29.38731 \dots)})^{0.2}

対数の規則を適用する:

a^{l o g_{a} (b)} = b

e^{l n (29.38731 \dots)} = 29.38731 \dots

= 29.38731 \dots^{0.2}

e^{- 0.2 l n (29.38731 \dots)} = 29.38731 \dots^{- 0.2}

e^{- 0.2 l n (29.38731 \dots)}

指数の規則を適用する:

a^{b c} = (a^{b})^{c}

= (e^{l n (29.38731 \dots)})^{- 0.2}

対数の規則を適用する:

a^{l o g_{a} (b)} = b

e^{l n (29.38731 \dots)} = 29.38731 \dots

= 29.38731 \dots^{- 0.2}

= \frac{29.38731 \dots ^{0.2} + 29.38731 \dots ^{- 0.2}}{29.38731 \dots ^{0.4} + 29.38731 \dots ^{- 0.4}}

簡素化

\frac{29.38731 \dots ^{0.2} + 29.38731 \dots ^{- 0.2}}{29.38731 \dots ^{0.4} + 29.38731 \dots ^{- 0.4}}

指数の規則を適用する:

a^{- b} = \frac{1}{a ^{b}}

29.38731 \dots^{- 0.4} = \frac{1}{29.38731 \dots ^{0.4}}

= \frac{29.38731 \dots ^{0.2} + 29.38731 \dots ^{- 0.2}}{29.38731 \dots ^{0.4} + \frac{1}{29.38731 \dots ^{0.4}}}

指数の規則を適用する:

a^{- b} = \frac{1}{a ^{b}}

29.38731 \dots^{- 0.2} = \frac{1}{29.38731 \dots ^{0.2}}

= \frac{29.38731 \dots ^{0.2} + \frac{1}{29.38731 \dots ^{0.2}}}{29.38731 \dots ^{0.4} + \frac{1}{29.38731 \dots ^{0.4}}}

結合

29.38731 \dots^{0.4} + \frac{1}{29.38731 \dots ^{0.4}} : 4.12468 \dots

29.38731 \dots^{0.4} + \frac{1}{29.38731 \dots ^{0.4}}

元を分数に変換する:

29.38731 \dots^{0.4} = \frac{29.38731 \dots ^{0.4} \cdot 29.38731 \dots ^{0.4}}{29.38731 \dots ^{0.4}}

= \frac{29.38731 \dots ^{0.4} \cdot 29.38731 \dots ^{0.4}}{29.38731 \dots ^{0.4}} + \frac{1}{29.38731 \dots ^{0.4}}

分母が等しいので, 分数を組み合わせる:

\frac{a}{c} \pm \frac{b}{c} = \frac{a \pm b}{c}

= \frac{29.38731 \dots ^{0.4} \cdot 29.38731 \dots ^{0.4} + 1}{29.38731 \dots ^{0.4}}

29.38731 \dots^{0.4} \cdot 29.38731 \dots^{0.4} + 1 = 29.38731 \dots^{0.8} + 1

29.38731 \dots^{0.4} \cdot 29.38731 \dots^{0.4} + 1

29.38731 \dots^{0.4} \cdot 29.38731 \dots^{0.4} = 29.38731 \dots^{0.8}

29.38731 \dots^{0.4} \cdot 29.38731 \dots^{0.4}

指数の規則を適用する:

a^{b} \cdot a^{c} = a^{b + c}

29.38731 \dots^{0.4} \cdot 29.38731 \dots^{0.4} = 29.38731 \dots^{0.4 + 0.4}

= 29.38731 \dots^{0.4 + 0.4}

数を足す:

0.4 + 0.4 = 0.8

= 29.38731 \dots^{0.8}

= 29.38731 \dots^{0.8} + 1

= \frac{29.38731 \dots ^{0.8} + 1}{29.38731 \dots ^{0.4}}

29.38731 \dots^{0.8} = 14.94610 \dots

= \frac{14.94610 \dots + 1}{29.38731 \dots ^{0.4}}

数を足す:

14.94610 \dots + 1 = 15.94610 \dots

= \frac{15.94610 \dots}{29.38731 \dots ^{0.4}}

29.38731 \dots^{0.4} = 3.86601 \dots

= \frac{15.94610 \dots}{3.86601 \dots}

数を割る:

\frac{15.94610 \dots}{3.86601 \dots} = 4.12468 \dots

= 4.12468 \dots

= \frac{29.38731 \dots ^{0.2} + \frac{1}{29.38731 \dots ^{0.2}}}{4.12468 \dots}

結合

29.38731 \dots^{0.2} + \frac{1}{29.38731 \dots ^{0.2}} : 2.47480 \dots

29.38731 \dots^{0.2} + \frac{1}{29.38731 \dots ^{0.2}}

元を分数に変換する:

29.38731 \dots^{0.2} = \frac{29.38731 \dots ^{0.2} \cdot 29.38731 \dots ^{0.2}}{29.38731 \dots ^{0.2}}

= \frac{29.38731 \dots ^{0.2} \cdot 29.38731 \dots ^{0.2}}{29.38731 \dots ^{0.2}} + \frac{1}{29.38731 \dots ^{0.2}}

分母が等しいので, 分数を組み合わせる:

\frac{a}{c} \pm \frac{b}{c} = \frac{a \pm b}{c}

= \frac{29.38731 \dots ^{0.2} \cdot 29.38731 \dots ^{0.2} + 1}{29.38731 \dots ^{0.2}}

29.38731 \dots^{0.2} \cdot 29.38731 \dots^{0.2} + 1 = 29.38731 \dots^{0.4} + 1

29.38731 \dots^{0.2} \cdot 29.38731 \dots^{0.2} + 1

29.38731 \dots^{0.2} \cdot 29.38731 \dots^{0.2} = 29.38731 \dots^{0.4}

29.38731 \dots^{0.2} \cdot 29.38731 \dots^{0.2}

指数の規則を適用する:

a^{b} \cdot a^{c} = a^{b + c}

29.38731 \dots^{0.2} \cdot 29.38731 \dots^{0.2} = 29.38731 \dots^{0.2 + 0.2}

= 29.38731 \dots^{0.2 + 0.2}

数を足す:

0.2 + 0.2 = 0.4

= 29.38731 \dots^{0.4}

= 29.38731 \dots^{0.4} + 1

= \frac{29.38731 \dots ^{0.4} + 1}{29.38731 \dots ^{0.2}}

29.38731 \dots^{0.4} = 3.86601 \dots

= \frac{3.86601 \dots + 1}{29.38731 \dots ^{0.2}}

数を足す:

3.86601 \dots + 1 = 4.86601 \dots

= \frac{4.86601 \dots}{29.38731 \dots ^{0.2}}

29.38731 \dots^{0.2} = 1.96621 \dots

= \frac{4.86601 \dots}{1.96621 \dots}

数を割る:

\frac{4.86601 \dots}{1.96621 \dots} = 2.47480 \dots

= 2.47480 \dots

= \frac{2.47480 \dots}{4.12468 \dots}

数を割る:

\frac{2.47480 \dots}{4.12468 \dots} = 0.6

= 0.6

= 0.6

0.6 = 0.6

真

解答は

m = ln (0.03402 \dots), m = ln (29.38731 \dots)

m = ln (0.03402 \dots), m = ln (29.38731 \dots)

解

解

グラフ

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