JEE MAIN - Mathematics Hindi (2020 - 5th September Morning Slot - No. 17)

$$\int\limits_{{{ - \pi } \over 2}}^{{\pi \over 2}} {{1 \over {1 + {e^{\sin x}}}}dx} $$ का मान है:
$$\pi $$
$${{3\pi \over 2}}$$
$${{\pi \over 2}}$$
$${{\pi \over 4}}$$

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