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JEE MATHEMATICS MCQ: DEFINITE INTEGRATION

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Analyzing +4 | -1
The integral ∫01/alog⁡(1+ax)1+a2x2 dx(a>0)\int\limits_{0}^{1 / a} \frac{\log (1+a x)}{1+a^2 x^2} \mathrm{~d} x(a>0) is equal to
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Correct option: C
1a(log⁡2)π8\frac{1}{a}(\log 2) \frac{\pi}{8}
Option C (1a(log⁡2)π8\frac{1}{a}(\log 2) \frac{\pi}{8}) is correct because after substitution and integration, the integral evaluates to 1a(log⁡2)π8\frac{1}{a}(\log 2) \frac{\pi}{8}.

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