derivative of x^{5cos(x})

Lösung

\frac{d}{d x} (x^{5 c o s (x)})

5 x^{5 c o s (x)} (- sin (x) ln (x) + \frac{cos ( x )}{x})

Schritte zur Lösung

\frac{d}{d x} (x^{5 c o s (x)})

Wende Exponentenregel an:

a^{b} = e^{b l n (a)}

x^{5 c o s (x)} = e^{5 c o s (x) l n (x)}

= \frac{d}{d x} (e^{5 c o s (x) l n (x)})

Wende die Kettenregel an:

e^{5 c o s (x) l n (x)} \frac{d}{d x} (5 cos (x) ln (x))

= e^{5 c o s (x) l n (x)} \frac{d}{d x} (5 cos (x) ln (x))

\frac{d}{d x} (5 cos (x) ln (x)) = 5 (- sin (x) ln (x) + \frac{cos ( x )}{x})

= e^{5 c o s (x) l n (x)} \cdot 5 (- sin (x) ln (x) + \frac{cos ( x )}{x})

e^{5 c o s (x) l n (x)} = x^{5 c o s (x)}

= 5 x^{5 c o s (x)} (- sin (x) ln (x) + \frac{cos ( x )}{x})

x \to \frac{π}{4} lim (\frac{tan ( 4 x )}{4 x - π})

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