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int (x^3)/(sqrt(1+x^2))dx=a(1+x^2)^(3//2...

`int (x^3)/(sqrt(1+x^2))dx=a(1+x^2)^(3//2)+bsqrt(1+x^2)+c`,then :

A

a = 1/3 , b =1

B

a = -1/3 , b =1

C

a = -1/3 , b =-1

D

a = 1/3 , b =-1

Text Solution

Verified by Experts

The correct Answer is:
D
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