\[\int_{0}^{\pi }{\frac{x\tan x}{\sec x+\tan x}}\,dx=\] [MNR 1984]

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

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

\[\int_{0}^{\pi }{\frac{x\tan x}{\sec x+\tan x}}\,dx=\]

1.	\[\int_{0}^{\pi }{\frac{x\tan x}{\sec x+\tan x}}\,dx=\] [MNR 1984]
A.	\[\frac{\pi }{2}-1\]
B.	\[\pi \left( \frac{\pi }{2}+1 \right)\]
C.	\[\frac{\pi }{2}+1\]
D.	\[\pi \left( \frac{\pi }{2}-1 \right)\]
Answer» E.

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\[\int_{0}^{\pi }{\frac{x\tan x}{\sec x+\tan x}}\,dx=\] [MNR 1984]

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