1.

\[\int_{0}^{1}{\frac{{{\tan }^{-1}}x}{1+{{x}^{2}}}}\,dx=\]             [SCRA 1987; MNR 1990]

A.                 \[\frac{{{\pi }^{2}}}{8}\]
B.                 \[\frac{{{\pi }^{2}}}{16}\]
C.                 \[\frac{{{\pi }^{2}}}{4}\]
D.                 \[\frac{{{\pi }^{2}}}{32}\]
Answer» E.


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