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If inttanx/(1+tanx+tan^(2)x)dx =x-2/sq...

If `inttanx/(1+tanx+tan^(2)x)dx`
`=x-2/sqrt(A)tan^(-1)((2tanx+1)/sqrt(A))+c`, then A=

A

2

B

3

C

4

D

5

Text Solution

Verified by Experts

The correct Answer is:
B
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