JEE MAIN - Mathematics Hindi (2020 - 3rd September Morning Slot - No. 11)

$$\int\limits_{ - \pi }^\pi {\left| {\pi - \left| x \right|} \right|dx} $$ का मान है :

$${\pi ^2}$$

2$${\pi ^2}$$

$$\sqrt 2 {\pi ^2}$$

$${{{\pi ^2}} \over 2}$$