_ - ^ 2 x(1+ x) 1+ ^ 2 x d x is
Mathematics · JEE Main · NTA Exams — Integral Calculus
\(\int_{-\pi}^{\pi} \frac{2 x(1+\sin x)}{1+\cos ^{2} x} d x \text { is }\)
- π2/4
- π2
- 5/4
- –3/4
Answer
(B) π 2
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