यदि $0 < |x| < 1$ के लिए $f(x) = \operatorname{Tan}^{-1} \left[ \frac{\sqrt{1+x^2} + \sqrt{1-x^2}}{\sqrt{1+x^2} - \sqrt{1-x^2}} \right]$ है,तो $f'(x) =$

  • A
    $\frac{x}{\sqrt{1-x^4}}$
  • B
    $\frac{-x}{\sqrt{1-x^4}}$
  • C
    $\frac{x}{\sqrt{1-x^2}}$
  • D
    $\frac{-x}{\sqrt{1-x^2}}$

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$\frac{d}{dx} \left[ \sin^2 \cot^{-1} \left( \sqrt{\frac{1-x}{1+x}} \right) \right]$ का मान ज्ञात कीजिए।

यदि $\sqrt {1 - {x^2}} + \sqrt {1 - {y^2}} = a(x - y)$ है,तो $\frac{dy}{dx} = $

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यदि $y(x) = \cot^{-1}\left(\frac{\sqrt{1+\sin x} + \sqrt{1-\sin x}}{\sqrt{1+\sin x} - \sqrt{1-\sin x}}\right)$,जहाँ $x \in \left(\frac{\pi}{2}, \pi\right)$,तो $x = \frac{5\pi}{6}$ पर $\frac{dy}{dx}$ का मान ज्ञात कीजिए।

यदि $f(x) = \sin^{-1}\left(\frac{2 \cdot 3^x}{1 + 9^x}\right)$ है,तो $f'(-\frac{1}{2})$ का मान ज्ञात कीजिए।

यदि $y = \sec(\tan^{-1} x)$ है,तो $x = 1$ पर $\frac{dy}{dx}$ का मान ज्ञात कीजिए।

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