Partial fraction - Digital Signal Processing

Q.  The partial fraction of x2+1/x(x-1)2 is
- Published on 27 Nov 15

a. 1/ (x-1) + 2/(x-1)2 - 1/x
b. 1/ (x-1) + 2/(x-1)2 - 3/x
c. 1/ (x-1) + 2/(x-1)2 - 3/x2
d. 1/ (x+1) + 2/(x+1)2 - 1/x

ANSWER: 1/ (x-1) + 2/(x-1)2 - 1/x

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