JEE Math Practice Question
$$\mathop {\lim }\limits_{x \to {\pi \over 2}} {{\cot x - \cos x} \over {{{\left( {\pi - 2x} \right)}^3}}}$$ equals
- A.$${1 \over {16}}$$
- B.$${1 \over 8}$$
- C.$${1 \over {4}}$$
- D.$${1 \over {24}}$$
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