$\lim _{x \rightarrow 0} \frac{\tan ^4 x-\sin ^4 x}{x^6} = $

  • A
    $\frac{1}{2}$
  • B
    $\frac{5}{2}$
  • C
    $2$
  • D
    $4$

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यदि $f(x) = -(\sin^2 x + \cos^5 x)$ है,तो $\lim_{x \rightarrow 0} \frac{f'(x)}{x}$ का मान ज्ञात कीजिए।

सीमा $\lim_{x \rightarrow \frac{\pi}{2}} \frac{4 \sqrt{2}(\sin 3x + \sin x)}{\left(2 \sin 2x \sin \frac{3x}{2} + \cos \frac{5x}{2}\right) - \left(\sqrt{2} + \sqrt{2} \cos 2x + \cos \frac{3x}{2}\right)}$ का मान है

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