જો $y = x + e^x$ હોય,તો $\frac{d^2x}{dy^2}$ શું થાય?

  • A
    $e^x$
  • B
    $-\frac{e^x}{(1 + e^x)^3}$
  • C
    $-\frac{e^x}{(1 + e^x)^2}$
  • D
    $\frac{-1}{(1 + e^x)^3}$

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Similar Questions

જો $y = \cos^{2} \frac{3x}{2} - \sin^{2} \frac{3x}{2}$ હોય,તો $\frac{d^{2}y}{dx^{2}}$ શું થાય?

જો $y=a \cos (\sin 2 x)+b \sin (\sin 2 x)$ હોય, તો $y^{\prime \prime}+(2 \tan 2 x) y^{\prime}$ ની કિંમત શોધો.

જો $y_k$ એ $x$ ની સાપેક્ષ $y$ નું $k$-મું વિકલિત હોય,અને $y = \cos(\sin x)$ હોય,તો $y_1 \sin x + y_2 \cos x$ ની કિંમત શોધો.

જો $\cos ^{-1}\left(\frac{y}{b}\right)=2 \log \left(\frac{x}{2}\right)$,જ્યાં $x>0$,તો $x^2 \frac{d^2 y}{d x^2}+x \frac{d y}{d x}$ ની કિંમત શું થાય?

$\frac{d^n}{dx^n}(\log x) =$

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