JEE Math Practice Question
$$\int\limits_{ - \pi }^\pi {\left| {\pi - \left| x \right|} \right|dx} $$ is equal to :
- A.$${\pi ^2}$$
- B.2$${\pi ^2}$$
- C.$$\sqrt 2 {\pi ^2}$$
- D.$${{{\pi ^2}} \over 2}$$
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