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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दिए गए सीमा (limit) का मूल्यांकन करें: $\mathop {\lim }\limits_{x \to \pi } \frac{\sin (\pi-x)}{\pi(\pi-x)}$

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$\lim _{x \rightarrow 0} \frac{\sin \left(\pi \cos ^2 x\right)}{x^2}$ का मान ज्ञात कीजिए।

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