MCQ
$\int\limits_{ - \pi /2}^{\pi /2} {\left( {{x^2} + {l_n}\frac{{\pi + x}}{{\pi - x}}} \right)\,\,\cos x\,\,dx = ........} $
- A$0$
- ✓$\frac{{{\pi ^2}}}{2} - 4$
- C$\frac{\pi }{2} + 4$
- D$\frac{{{\pi ^2}}}{2}$
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