જો $y = \cot^{-1}(\cos 2x)^{1/2}$ હોય,તો $x = \frac{\pi}{6}$ આગળ $\frac{dy}{dx}$ ની કિંમત શોધો.

  • A
    $\left(\frac{2}{3}\right)^{1/2}$
  • B
    $\left(\frac{1}{3}\right)^{1/2}$
  • C
    $\sqrt{3}$
  • D
    $\sqrt{6}$

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ધારો કે $y=f(x)=\sin ^3\left(\frac{\pi}{3}\cos \left(\frac{\pi}{3 \sqrt{2}}\left(-4 x^3+5 x^2+1\right)^{\frac{3}{2}}\right)\right)$. તો,$x =1$ આગળ,

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$\tan ^{-1}\left(\frac{\sqrt{1+x^2}-\sqrt{1-x^2}}{\sqrt{1+x^2}+\sqrt{1-x^2}}\right)$ નું $\cos ^{-1} x^2$ ની સાપેક્ષે વિકલન શું થાય?

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