(\partial)/(\partial x)(ln(y)*ln(x^2+1))

Lösung

\frac{\partial}{\partial x} (ln (y) \cdot ln (x^{2} + 1))

\frac{2 x ln ( y )}{x ^{2} + 1}

Schritte zur Lösung

\frac{\partial}{\partial x} (ln (y) ln (x^{2} + 1))

Behandle

y

als Konstante

Entferne die Konstante:

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

= ln (y) \frac{\partial}{\partial x} (ln (x^{2} + 1))

Wende die Kettenregel an:

\frac{1}{x ^{2} + 1} \frac{\partial}{\partial x} (x^{2} + 1)

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

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

= ln (y) \frac{1}{x ^{2} + 1} \cdot 2 x

Vereinfache

ln (y) \frac{1}{x ^{2} + 1} \cdot 2 x : \frac{2 x ln ( y )}{x ^{2} + 1}

= \frac{2 x ln ( y )}{x ^{2} + 1}

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