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Evaluate: int1/(x^2sqrt(1+x^2))\ dx...

Evaluate: `int1/(x^2sqrt(1+x^2))\ dx`

A

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

B

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

C

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

D

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

Text Solution

Verified by Experts

The correct Answer is:
A
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