definite-integral

Question: The value of $\int_{\,0}^{\,1}{\frac{{{\tan }^{-1}}x}{1+{{x}^{2}}}dx}$ is

1) $\pi /4$

2) ${{\pi }^{2}}/32$

3) 1

4) None of these

Solution:

Explanation: No Explanation

Fundamental definite integration Definite integration by substitution

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