JEE Math Practice Question
$$\int {{e^{\sec x}}}$$ $$(\sec x\tan xf(x) + \sec x\tan x + se{x^2}x)dx$$ = esecxf(x) + C then a possible choice of f(x) is :-
- A.x sec x + tan x + 1/2
- B.sec x + xtan x - 1/2
- C.sec x - tan x - 1/2
- D.sec x + tan x + 1/2
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