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Beliebt Rechnen >

integral of sqrt(1+(x^2-1/(4x^2))^2)

Lösung

\int 1 + (x^{2} - \frac{1}{4 x ^{2}})^{2} d x

Lösung

\frac{x ^{3}}{3} - \frac{1}{4 x} + C

Schritte zur Lösung

\int 1 + (x^{2} - \frac{1}{4 x ^{2}})^{2} d x

Vereinfache

1 + (x^{2} - \frac{1}{4 x ^{2}})^{2} : \frac{( 2 x ^{2} + 2 x + 1 ) ( 2 x ^{2} - 2 x + 1 )}{4 x ^{2}}

= \int \frac{( 2 x ^{2} + 2 x + 1 ) ( 2 x ^{2} - 2 x + 1 )}{4 x ^{2}} d x

Entferne die Konstante:

\int a \cdot f (x) d x = a \cdot \int f (x) d x

= \frac{1}{4} \cdot \int \frac{( 2 x ^{2} + 2 x + 1 ) ( 2 x ^{2} - 2 x + 1 )}{x ^{2}} d x

Multipliziere aus

\frac{( 2 x ^{2} + 2 x + 1 ) ( 2 x ^{2} - 2 x + 1 )}{x ^{2}} : 4 x^{2} + \frac{1}{x ^{2}}

= \frac{1}{4} \cdot \int 4 x^{2} + \frac{1}{x ^{2}} d x

Wende die Summenregel an:

\int f (x) \pm g (x) d x = \int f (x) d x \pm \int g (x) d x

= \frac{1}{4} (\int 4 x^{2} d x + \int \frac{1}{x ^{2}} d x)

\int 4 x^{2} d x = \frac{4 x ^{3}}{3}

\int \frac{1}{x ^{2}} d x = - \frac{1}{x}

= \frac{1}{4} (\frac{4 x ^{3}}{3} - \frac{1}{x})

Vereinfache

\frac{1}{4} (\frac{4 x ^{3}}{3} - \frac{1}{x}) : \frac{x ^{3}}{3} - \frac{1}{4 x}

= \frac{x ^{3}}{3} - \frac{1}{4 x}

Füge eine Konstante zur Lösung hinzu

= \frac{x ^{3}}{3} - \frac{1}{4 x} + C

Graph

Beliebte Beispiele

derivative f(x)=2x^2+3x-2

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s l o p e y = 3 x^{2} + 2 x + 9

sum from n=1 to infinity of (-1)^nn

n = 1 \sum \infty (- 1)^{n} n

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n \to \infty lim ((n!)^{2})

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\int y cos (yz) d z