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人気のある微分積分 >

limit as x approaches 0+of x(ln(x))^6

解

x \to 0 + lim (x (ln (x))^{6})

解

0

解答ステップ

x \to 0 + lim (x (ln (x))^{6})

ロピタル向けに書き換える

= x \to 0 + lim (\frac{( ln ( x ) ) ^{6}}{\frac{1}{x}})

ロピタルの定理を適用する

= x \to 0 + lim (\frac{\frac{6 l n ^{5} ( x )}{x}}{- \frac{1}{x ^{2}}})

簡素化

\frac{\frac{6 l n ^{5} ( x )}{x}}{- \frac{1}{x ^{2}}} : - 6 x ln^{5} (x)

= x \to 0 + lim (- 6 x ln^{5} (x))

x \to a lim [c \cdot f (x)] = c \cdot x \to a lim f (x)

= - 6 \cdot x \to 0 + lim (x ln^{5} (x))

ロピタル向けに書き換える

= - 6 \cdot x \to 0 + lim (\frac{ln ^{5} ( x )}{\frac{1}{x}})

ロピタルの定理を適用する

= - 6 \cdot x \to 0 + lim (\frac{\frac{5 l n ^{4} ( x )}{x}}{- \frac{1}{x ^{2}}})

簡素化

\frac{\frac{5 l n ^{4} ( x )}{x}}{- \frac{1}{x ^{2}}} : - 5 x ln^{4} (x)

= - 6 \cdot x \to 0 + lim (- 5 x ln^{4} (x))

x \to a lim [c \cdot f (x)] = c \cdot x \to a lim f (x)

= - 6 (- 5 \cdot x \to 0 + lim (x ln^{4} (x)))

ロピタル向けに書き換える

= - 6 (- 5 \cdot x \to 0 + lim (\frac{ln ^{4} ( x )}{\frac{1}{x}}))

ロピタルの定理を適用する

= - 6 (- 5 \cdot x \to 0 + lim (\frac{\frac{4 l n ^{3} ( x )}{x}}{- \frac{1}{x ^{2}}}))

簡素化

\frac{\frac{4 l n ^{3} ( x )}{x}}{- \frac{1}{x ^{2}}} : - 4 x ln^{3} (x)

= - 6 (- 5 \cdot x \to 0 + lim (- 4 x ln^{3} (x)))

x \to a lim [c \cdot f (x)] = c \cdot x \to a lim f (x)

= - 6 (- 5 (- 4 \cdot x \to 0 + lim (x ln^{3} (x))))

ロピタル向けに書き換える

= - 6 (- 5 (- 4 \cdot x \to 0 + lim (\frac{ln ^{3} ( x )}{\frac{1}{x}})))

ロピタルの定理を適用する

= - 6 (- 5 (- 4 \cdot x \to 0 + lim (\frac{\frac{3 l n ^{2} ( x )}{x}}{- \frac{1}{x ^{2}}})))

簡素化

\frac{\frac{3 l n ^{2} ( x )}{x}}{- \frac{1}{x ^{2}}} : - 3 x ln^{2} (x)

= - 6 (- 5 (- 4 \cdot x \to 0 + lim (- 3 x ln^{2} (x))))

x \to a lim [c \cdot f (x)] = c \cdot x \to a lim f (x)

= - 6 (- 5 (- 4 (- 3 \cdot x \to 0 + lim (x ln^{2} (x)))))

ロピタル向けに書き換える

= - 6 (- 5 (- 4 (- 3 \cdot x \to 0 + lim (\frac{ln ^{2} ( x )}{\frac{1}{x}}))))

ロピタルの定理を適用する

= - 6 (- 5 (- 4 (- 3 \cdot x \to 0 + lim (\frac{\frac{2 l n ( x )}{x}}{- \frac{1}{x ^{2}}}))))

簡素化

\frac{\frac{2 l n ( x )}{x}}{- \frac{1}{x ^{2}}} : - 2 x ln (x)

= - 6 (- 5 (- 4 (- 3 \cdot x \to 0 + lim (- 2 x ln (x)))))

x \to a lim [c \cdot f (x)] = c \cdot x \to a lim f (x)

= - 6 (- 5 (- 4 (- 3 (- 2 \cdot x \to 0 + lim (x ln (x))))))

ロピタル向けに書き換える

= - 6 (- 5 (- 4 (- 3 (- 2 \cdot x \to 0 + lim (\frac{ln ( x )}{\frac{1}{x}})))))

ロピタルの定理を適用する

= - 6 (- 5 (- 4 (- 3 (- 2 \cdot x \to 0 + lim (\frac{\frac{1}{x}}{- \frac{1}{x ^{2}}})))))

簡素化

\frac{\frac{1}{x}}{- \frac{1}{x ^{2}}} : - x

= - 6 (- 5 (- 4 (- 3 (- 2 \cdot x \to 0 + lim (- x)))))

値を挿入する

x = 0

= - 6 (- 5 (- 4 (- 3 (- 2 (- 0)))))

簡素化

= 0

グラフ

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