यदि $f(x)=\cos ^{-1}\left[\frac{1}{\sqrt{13}}(2 \cos x-3 \sin x)\right]$ है,तो $f^{\prime}(0.5)$ का मान ज्ञात कीजिए।

  • A
    $0.5$
  • B
    $1$
  • C
    $0$
  • D
    $-1$

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

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$\frac{d}{dx} \left( \tan^{-1} \left( \frac{x}{1+6x^2} \right) \right) = $ . . . . . .

यदि $f:R \to R$ एक अवकलनीय फलन है और $f(2) = 6$ है,तो $\lim_{x \to 2} \int_{6}^{f(x)} \frac{2t \, dt}{x - 2}$ का मान क्या है?

यदि $y=\tan ^{-1}\left(\sqrt{\frac{1+\sin x}{1-\sin x}}\right)$,जहाँ $0 \leq x < \frac{\pi}{2}$,है,तो $x=\frac{\pi}{6}$ पर $\frac{d y}{d x}$ का मान ज्ञात कीजिए।

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