The value of \[\int_{0}^{\pi /4}{\frac{1+\tan x}{1-\tan x}\,dx}\] is [SCRA 1986]

The value of \[\int_{0}^{\pi /4}{\frac{1+\tan x}{1-\tan x}\,dx}\] is

1.	The value of \[\int_{0}^{\pi /4}{\frac{1+\tan x}{1-\tan x}\,dx}\] is [SCRA 1986]
A.	\[-\frac{1}{2}\log 2\]
B.	\[\frac{1}{4}\log 2\]
C.	\[\frac{1}{3}\log 2\]
D.	None of these
Answer» B. \[\frac{1}{4}\log 2\]

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The value of \[\int_{0}^{\pi /4}{\frac{1+\tan x}{1-\tan x}\,dx}\] is [SCRA 1986]

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