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1. |
What is the inverse z-transform of X(z)=\(\frac{1}{1-1.5z^{-1}+0.5z^{-2}}\) if ROC is 0.5<|z|<1? |
A. | -2u(-n-1)+(0.5)nu(n) |
B. | -2u(-n-1)-(0.5)nu(n) |
C. | -2u(-n-1)+(0.5)nu(-n-1) |
D. | 2u(n)+(0.5)nu(-n-1) |
Answer» C. -2u(-n-1)+(0.5)nu(-n-1) | |