Duration: 5:59

1 views

0

The value of \( \int_{-\pi / 2}^{\pi / 2} \frac{x^{2} \cos x}{1+e^{x}} d x \) is equal to
(a) \( \frac{\pi^{2}}{4}-2 \)
(b) \( \frac{\pi^{2}}{4}+2 \)
(2016 Adv.)
P
(c) \( \pi^{2}-e^{-\pi / 2} \)
(d) \( \pi^{2}+e^{\pi / 2} \)
📲PW App Link - https://bit.ly/YTAI_PWAP
🌐PW Website - https://www.pw.live