જો $y=\log \left[\tan \sqrt{\frac{2^x-1}{2^x+1}}\right], x>0$ હોય, તો $\left(\frac{d y}{d x}\right)_{x=1}=$

  • A
    $\frac{4 \sqrt{2} \log 2}{9 \sin \left(\frac{2}{\sqrt{3}}\right)}$
  • B
    $\frac{4 \sqrt{3} \log 2}{9 \sin \left(\frac{\sqrt{3}}{2}\right)}$
  • C
    $\frac{4 \sqrt{3} \log 2}{9 \sin \left(\frac{2}{\sqrt{3}}\right)}$
  • D
    $\frac{4 \sqrt{2} \log 2}{9 \sin \left(\frac{\sqrt{3}}{2}\right)}$

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$x > 0$ માટે,$x$ ની સાપેક્ષમાં $\cos (\log x + e^x)$ નું વિકલન કરો.

$x=e$ પર $\frac{d}{{d(\ln x)}}({e^x}{\ln ^2}x)$ નું મૂલ્ય શું છે?

ધારો કે $f(x) = \sum_{k=1}^{10} kx^k$,$x \in R$. જો $2f(2) + f'(2) = 119(2)^n + 1$ હોય,તો $n$ ની કિંમત $..........$ છે.

જો $f(x) = \cos x \cos 2x \cos 4x \cos 8x \cos 16x$ હોય, તો $f' \left( \frac{\pi}{4} \right) = $

જો $f(x) = \sqrt{1 + \cos^2(x^2)}$ હોય,તો $f'\left(\frac{\sqrt{\pi}}{2}\right)$ શોધો.

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