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if lim(xto1) (x^(2)-ax+b)/(x-1)=5 then a...

if `lim_(xto1) (x^(2)-ax+b)/(x-1)=5` then `a+b` is

A

`-4`

B

`5`

C

`-7`

D

`1`

Text Solution

Verified by Experts

The correct Answer is:
C
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