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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

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

C

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

D

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

Text Solution

Verified by Experts

The correct Answer is:
B
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