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Beliebt Rechnen >

derivative of ln(x/4 (x-4))

Lösung

\frac{d}{d x} (ln (\frac{x}{4}) (x - 4))

Lösung

\frac{x - 4}{x} + ln (\frac{x}{4})

Schritte zur Lösung

\frac{d}{d x} (ln (\frac{x}{4}) (x - 4))

Wende die Produktregel an:

(f \cdot g)^{'} = f^{'} \cdot g + f \cdot g^{'}

f = ln (\frac{x}{4}), g = x - 4

= \frac{d}{d x} (ln (\frac{x}{4})) (x - 4) + \frac{d}{d x} (x - 4) ln (\frac{x}{4})

\frac{d}{d x} (ln (\frac{x}{4})) = \frac{1}{x}

\frac{d}{d x} (x - 4) = 1

= \frac{1}{x} (x - 4) + 1 \cdot ln (\frac{x}{4})

Vereinfache

\frac{1}{x} (x - 4) + 1 \cdot ln (\frac{x}{4}) : \frac{x - 4}{x} + ln (\frac{x}{4})

= \frac{x - 4}{x} + ln (\frac{x}{4})

Graph

Beliebte Beispiele

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