જો $y(\cos x)^{\sin x}=(\sin x)^{\sin x}$ હોય, તો $x=\frac{\pi}{4}$ આગળ $\frac{dy}{dx}$ ની કિંમત શોધો.

  • A
    $0$
  • B
    $1$
  • C
    $\sqrt{2}$
  • D
    $\frac{\sqrt{3}}{2}$

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જો $y=x^{\log x}+(\log x)^x, x>1$ હોય, તો $\left(\frac{d y}{d x}\right)_{x=e}=$

$x$ ની સાપેક્ષમાં વિધેયનું વિકલન કરો: $x^{x \cos x} + \frac{x^{2}+1}{x^{2}-1}$

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