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JEE-Adv Paper-2: Can you solve it?

Calculus Level 3

$\large \int_{-\pi/2}^{\pi /2} \dfrac{ x^2 \cos x}{1 + e^x} \, dx = \, ?$

\frac{\pi^2}{4}-2

\frac{\pi^2}{4}+2

\pi^2+e^{{\pi^2}/ { 2}}

\pi^2-e^{ {\pi} / {2}}

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by Sparsh Sarode

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