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If int e^(sec x)(sec x tan x f(x)+(sec x...

If `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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