\[\int_{-1}^{1}{x{{\tan }^{-1}}x\,dx}\] equals [RPET 1997]

\[\left( \frac{\pi }{2}+1 \right)\]

\[\left( \frac{\pi }{2}-1 \right)\]

\[\int_{-1}^{1}{x{{\tan }^{-1}}x\,dx}\] equals �

1.	\[\int_{-1}^{1}{x{{\tan }^{-1}}x\,dx}\] equals [RPET 1997]
A.	\[\left( \frac{\pi }{2}-1 \right)\]
B.	\[\left( \frac{\pi }{2}+1 \right)\]
C.	\[(\pi -1)\]
D.	0
Answer» B. \[\left( \frac{\pi }{2}+1 \right)\]

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\[\int_{-1}^{1}{x{{\tan }^{-1}}x\,dx}\] equals [RPET 1997]

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