$\mathop {\lim }\limits_{x \to 2} \left( {\frac{{\sqrt {1 - \cos \{ 2(x - 2)\} } }}{{x - 2}}} \right) = $

  • A
    $\sqrt 2 $
  • B
    $-\sqrt 2 $
  • C
    $\frac{1}{{\sqrt 2 }}$
  • D
    $\text{अस्तित्व में नहीं है}$

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