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int(x^2 + cos^2 x)/(x^2 + 1) "cosec"^2 x...

`int(x^2 + cos^2 x)/(x^2 + 1) "cosec"^2 xdx` is …………….

A

`cot x + sin^(-1) x + c`

B

`- cot x + tan^(-1) x + c`

C

`- tan x + cot^(-1)x + c`

D

`-cot x - tan^(-1) x + c`

Text Solution

Verified by Experts

The correct Answer is:
D
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