यदि $u=\tan ^{-1}\left(\frac{\sqrt{1+x^{2}}-1}{x}\right)$ और $v=\tan ^{-1}\left(\frac{2 x \sqrt{1-x^{2}}}{1-2 x^{2}}\right)$ है,तो $x=0$ पर $\frac{d u}{d v}$ का मान ज्ञात कीजिए।

  • A
    $\frac{1}{4}$
  • B
    $\frac{1}{8}$
  • C
    $1$
  • D
    $\frac{-1}{8}$

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यदि $y = \tan^{-1}\left(\frac{\sin x + \cos x}{\cos x - \sin x}\right)$ है,तो $\frac{dy}{dx}$ का मान ज्ञात कीजिए।

$x$ के सापेक्ष फलन का अवकलन कीजिए: $\cot ^{-1}\left[\frac{\sqrt{1+\sin x}+\sqrt{1-\sin x}}{\sqrt{1+\sin x}-\sqrt{1-\sin x}}\right]$,जहाँ $0 < x < \frac{\pi}{2}$.

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यदि $f(x) = \sin^{-1}\left(\sqrt{\frac{1-x}{2}}\right)$ है,तो $f^{\prime}(x) = $

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यदि $y = \tan^{-1} \left[ \frac{x - \sqrt{1 - x^2}}{x + \sqrt{1 - x^2}} \right]$ है,तो $\frac{dy}{dx} = $

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