What is the inverse z-transform of X(z)= 1/(1-1.5z-1+0.5z-2 ) if ROC is |z|<0.5?
A. [-2-0.5n]u(n)
B. [-2+0.5n]u(n)
C. [-2+0.5n]u(-n-1)
D. [-2-0.5n]u(-n-1)
Answer:A
What is the inverse z-transform of X(z)= 1/(1-1.5z-1+0.5z-2 ) if ROC is |z|<0.5?
A. [-2-0.5n]u(n) B. [-2+0.5n]u(n) C. [-2+0.5n]u(-n-1) D. [-2-0.5n]u(-n-1)
Explanation: The partial fraction expansion for the given X(z) is