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If (x^(2)-5x+7)/(x-1)^(3)=A/(x-1)+B/(x-1...

If `(x^(2)-5x+7)/(x-1)^(3)=A/(x-1)+B/(x-1)^(2)+C/(x-1)^(3) " then " A+B-C=`

A

5

B

3

C

0

D

-5

Text Solution

Verified by Experts

The correct Answer is:
D
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