derivative sqrt(1-49x^2)arccos(7x)

Lösung

ableitung von

1 - 49 x^{2} arccos (7 x)

- \frac{49 x arccos ( 7 x )}{1 - 49 x ^{2}} - 7

Schritte zur Lösung

\frac{d}{d x} (1 - 49 x^{2} arccos (7 x))

Wende die Produktregel an:

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

f = 1 - 49 x^{2}, g = arccos (7 x)

= \frac{d}{d x} (1 - 49 x^{2}) arccos (7 x) + \frac{d}{d x} (arccos (7 x)) 1 - 49 x^{2}

\frac{d}{d x} (1 - 49 x^{2}) = - \frac{49 x}{1 - 49 x ^{2}}

\frac{d}{d x} (arccos (7 x)) = - \frac{7}{1 - 49 x ^{2}}

= (- \frac{49 x}{1 - 49 x ^{2}}) arccos (7 x) + (- \frac{7}{1 - 49 x ^{2}}) 1 - 49 x^{2}

Vereinfache

(- \frac{49 x}{1 - 49 x ^{2}}) arccos (7 x) + (- \frac{7}{1 - 49 x ^{2}}) 1 - 49 x^{2} : - \frac{49 x arccos ( 7 x )}{1 - 49 x ^{2}} - 7

= - \frac{49 x arccos ( 7 x )}{1 - 49 x ^{2}} - 7

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