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It int e^(sec x) (sec x tan x f (x) + (s...

It `int e^(sec x) (sec x tan x f (x) + (sec x tan x + sec^(2) x)) dx = e^(sec x) f(x) + C`, then a possible choice of f(x) is :

A

` sec x + x tan x - (1)/(2) `

B

` x sec x + tan x + (1)/(2)`

C

` sec x - tan x - (1)/(2)`

D

` sec x + tan x + (1)/(2) `

Text Solution

Verified by Experts

The correct Answer is:
D
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