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

`int (x^(2) + cos ^(2) x)/( x^(2) + 1)cosec^(2) x dx ` 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:
A, C
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