derivative of 1/(3(x+2^{2/3)})

Lösung

\frac{d}{d x} (\frac{1}{3 ( x + 2 ) ^{\frac{2}{3}}})

- \frac{2}{9 ( x + 2 ) ^{\frac{5}{3}}}

Schritte zur Lösung

\frac{d}{d x} (\frac{1}{3 ( x + 2 ) ^{\frac{2}{3}}})

Entferne die Konstante:

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

= \frac{1}{3} \frac{d}{d x} (\frac{1}{( x + 2 ) ^{\frac{2}{3}}})

Wende Exponentenregel an:

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

= \frac{1}{3} \frac{d}{d x} ((x + 2)^{- \frac{2}{3}})

Wende die Kettenregel an:

- \frac{2}{3 ( x + 2 ) ^{\frac{5}{3}}} \frac{d}{d x} (x + 2)

= - \frac{2}{3 ( x + 2 ) ^{\frac{5}{3}}} \frac{d}{d x} (x + 2)

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

= \frac{1}{3} (- \frac{2}{3 ( x + 2 ) ^{\frac{5}{3}}} \cdot 1)

Vereinfache

\frac{1}{3} (- \frac{2}{3 ( x + 2 ) ^{\frac{5}{3}}} \cdot 1) : - \frac{2}{9 ( x + 2 ) ^{\frac{5}{3}}}

= - \frac{2}{9 ( x + 2 ) ^{\frac{5}{3}}}

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