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Beliebt Rechnen >

derivative 3x^2cos(x)cot(x)

Lösung

ableitung von

3 x^{2} cos (x) cot (x)

Lösung

3 (2 x cos (x) cot (x) + (- cos (x) - cot (x) csc (x)) x^{2})

Schritte zur Lösung

\frac{d}{d x} (3 x^{2} cos (x) cot (x))

Entferne die Konstante:

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

= 3 \frac{d}{d x} (x^{2} cos (x) cot (x))

Wende die Produktregel an:

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

f = x^{2}, g = cos (x) cot (x)

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

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

\frac{d}{d x} (cos (x) cot (x)) = - cos (x) - cot (x) csc (x)

= 3 (2 x cos (x) cot (x) + (- cos (x) - cot (x) csc (x)) x^{2})

Graph

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