दिए गए सीमा (limit) का मान ज्ञात कीजिए: $\mathop {\lim }\limits_{x \to 0} \frac{\cos 2x - 1}{\cos x - 1}$

  • A
    $2$
  • B
    $4$
  • C
    $1$
  • D
    $0$

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Similar Questions

$\mathop {\lim }\limits_{h \to 0} \frac{{2\left[ {\sqrt 3 \sin \left( {\frac{\pi }{6} + h} \right) - \cos \left( {\frac{\pi }{6} + h} \right)} \right]}}{{\sqrt 3 h(\sqrt 3 \cos h - \sin h)}} = $

$\lim _{x \rightarrow 0} \frac{(1-\cos 2 x)(3+\cos x)}{x \tan 4 x}$ का मान है

$\mathop {\lim }\limits_{x \to 0} \frac{{\sin 3x + \sin x}}{x} = $

$\mathop {\lim }\limits_{x \to 0} \left[ {\frac{{\sin (x + a) + \sin (a - x) - 2\sin a}}{{x\sin x}}} \right] = $

$\mathop {\lim }\limits_{x \to 0} \frac{\sin 2x}{x} = $

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