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If int x log (1+x^(2))dx= phi (x) log (1...

If `int x log (1+x^(2))dx= phi (x) log (1+x^(2))+x(Psi)+C`, then

A

`phi(x)=(1+x^(2))/(2)`

B

`Phi(x)=(1+x^(2))/(2)`

C

`Phi(x)=-(1)/(2)(1+x^(2))`

D

`phi(x)=(-1+x^(2))/(2)`

Text Solution

Verified by Experts

The correct Answer is:
A, C
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