If f(x)= (x-1)/(2x^2-7x+5) for x!=1 and ...

If `f(x)= (x-1)/(2x^2-7x+5)` for `x!=1` and `f(x)=-1/3` for `x=1` then `f'(1)=`

A

`-1//9`

B

`-2//9`

C

`-1//3`

D

`1//3`

Verified by Experts

The correct Answer is:

B

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