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underset(x to 1)lim {(1)/(x-1)-(2)/(x^(2...

`underset(x to 1)lim {(1)/(x-1)-(2)/(x^(2)-1)}=`

A

`(1)/(2)`

B

`-(1)/(2)`

C

`(1)/(3)`

D

`-(1)/(3)`

Text Solution

Verified by Experts

The correct Answer is:
A
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