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int (x^2 -1 )/ (x^3 sqrt(2x^4 - 2x^2 +1)...

`int (x^2 -1 )/ (x^3 sqrt(2x^4 - 2x^2 +1))dx` is equal to

A

` 2 sqrt ( 2 - (2)/(x ^ 2 ) + (1)/(x ^4 ) ) + c `

B

` 2 sqrt ( 2 + (2)/(x^2 ) + (1)/(x ^ 4 )) + c `

C

` (1)/(2) sqrt( 2 - (2)/(x ^ 2 ) + (1)/(x ^ 4 ) ) + c `

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
C
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