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If int(1)/((x^(2)+1)(x^(2)+4))dx=Atan^(...

If `int(1)/((x^(2)+1)(x^(2)+4))dx=Atan^(-1)x+B" tan"^(-1)(x)/(2)+C` , then

A

`k=1/3`

B

`l=2/3`

C

`k=-1/3`

D

`l- 1/6`

Text Solution

Verified by Experts

The correct Answer is:
A, D
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