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)


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