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inte^(-x)" cosec"^(2)(2e^(-x)+5)dx =...

`inte^(-x)" cosec"^(2)(2e^(-x)+5)dx =`

A

(a) `1/2cot(2e^(-x)+5)+c`

B

(b) `-1/2cot(2e^(-x)+5)+c`

C

(c) `2cot(2e^(-x)+5)+c`

D

(d) `-2cot(2e^(-x)+5)+c`

Text Solution

Verified by Experts

The correct Answer is:
A
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