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(3x^(2)+x+1)/((x-1)^(4))=(A)/(x-1)+(B)/(...

`(3x^(2)+x+1)/((x-1)^(4))=(A)/(x-1)+(B)/((x-1)^(2))+(C)/((x-1)^(3))+(D)/((x-1)^(4))` then `A+B-C+D=`

A

0

B

15

C

1

D

10

Text Solution

Verified by Experts

The correct Answer is:
C
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