Mark against the correct answer in each of the following:
Question:

Mark $(\sqrt{)}$ against the correct answer in each of the following:

$\int \frac{\sec x}{(\sec x+\tan x)} d x=?$

A. $\tan x+\sec x+C$

B. $\tan x-\sec x+C$

C. $-\tan x+\sec x+C$

D. $-\tan x-\sec x+C$

Solution:

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