આપેલ લક્ષની કિંમત શોધો: $\mathop {\lim }\limits_{x \to 0} \frac{\cos 2x - 1}{\cos x - 1}$

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

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$\mathop {\lim }\limits_{x \to 0} \frac{{\sin \left( {\pi {{\cos }^2}x} \right)}}{{{x^2}}}$ ની કિંમત શોધો.

$\mathop {\lim }\limits_{x \to 0} \frac{{2{{\sin }^2}3x}}{{{x^2}}} = $

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