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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જો $y = \tan^{-1} \left[ \frac{\sin x + \cos x}{\cos x - \sin x} \right]$ હોય,તો $\frac{dy}{dx}$ ની કિંમત શોધો.

જો $f(x)=\cot ^{-1}\left(\frac{x^x-x^{-x}}{2}\right)$ હોય,તો $f^{\prime}(1)=$

$\frac{d}{dx} \tan^{-1} \left[ \frac{\cos x - \sin x}{\cos x + \sin x} \right] = $

જો $y=\tan ^{-1}\left\{\frac{a \cos x-b \sin x}{b \cos x+a \sin x}\right\}$ હોય,તો $\frac{d y}{d x}$ શોધો.

જો $f(x) = \cos^{-1} \left[ \frac{1 - (\log x)^2}{1 + (\log x)^2} \right]$ હોય,તો $f'(e) = \_\_\_\_$

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