The partial fraction of x2+1/x(x-1)2 is
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:A
The partial fraction of x2+1/x(x-1)2 is
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