derivative (sqrt(25-x^2))/(8x)

Lösung

ableitung von

\frac{25 - x ^{2}}{8 x}

- \frac{25}{8 x ^{2} 25 - x ^{2}}

Schritte zur Lösung

\frac{d}{d x} (\frac{25 - x ^{2}}{8 x})

Entferne die Konstante:

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

= \frac{1}{8} \frac{d}{d x} (\frac{25 - x ^{2}}{x})

Wende die Quotientenregel an:

(\frac{f}{g})^{'} = \frac{f ^{'} \cdot g - g ^{'} \cdot f}{g ^{2}}

= \frac{1}{8} \cdot \frac{\frac{d}{d x} ( 25 - x ^{2} ) x - \frac{d x}{d x} 25 - x ^{2}}{x ^{2}}

\frac{d}{d x} (25 - x^{2}) = - \frac{x}{25 - x ^{2}}

\frac{d x}{d x} = 1

= \frac{1}{8} \cdot \frac{( - \frac{x}{25 - x ^{2}} ) x - 1 \cdot 25 - x ^{2}}{x ^{2}}

Vereinfache

\frac{1}{8} \cdot \frac{( - \frac{x}{25 - x ^{2}} ) x - 1 \cdot 25 - x ^{2}}{x ^{2}} : - \frac{25}{8 x ^{2} 25 - x ^{2}}

= - \frac{25}{8 x ^{2} 25 - x ^{2}}

\int_{0}^{\infty} 5 e^{- x} d x

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