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If the value of integral int(x+sqrt(x^...

If the value of integral
`int(x+sqrt(x^2 -1))^(2)dx = ax^3 - x + b(x^2 - 1)^(1/b), +C`
(where, C is the constant of integration), then `a xx b` is equal to

A

1

B

`4/9`

C

`2`

D

`9/4`

Text Solution

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The correct Answer is:
B
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