The value of _ - ^ ^ 2 x 1+a^ x d x, a>0 is,
Mathematics · JEE Main · NTA Exams — Integral Calculus
The value of \(\int_{-\pi}^{\pi} \frac{\cos ^{2} x}{1+a^{x}} d x, a>0\) is,
- \(\frac{\pi}{2}\)
- a\(\pi\)
- 2\(\pi\)
- \(\frac{\pi}{\mathrm{a}}\)
Answer
(A) 2
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