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int e^(-x) (1 - tan x) sec x dx (Where C...

`int e^(-x) (1 - tan x) sec x dx` (Where C is constant of integration)

A

`e^(-x) sec x + C`

B

`e^(-x) tan x + C`

C

`-e^(-x) tan x + C`

D

`-e^(-x) sec x +C`

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The correct Answer is:
D
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