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

`int (1)/(x^(2)sqrt(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

none

Text Solution

Verified by Experts

The correct Answer is:
A
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