JEE Math Practice Question
$$\mathop {\lim }\limits_{x \to 2} \left( {{{\sqrt {1 - \cos \left\{ {2(x - 2)} \right\}} } \over {x - 2}}} \right)$$
- A.Equals $$\sqrt 2 $$
- B.Equals $$-\sqrt 2 $$
- C.Equals $${1 \over {\sqrt 2 }}$$
- D.does not exist
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