A linear time invariant system is characterized by the system functio – McqOptions

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1.	A linear time invariant system is characterized by the system function H(z)=\(\frac{1}{1-0.5z^{-1}}+\frac{2}{1-3z^{-1}}\). What is the h(n) if the system is anti causal?
A.	(0.5)nu(n)+2(3)nu(n)
B.	(0.5)nu(-n-1)-2(3)nu(-n-1)
C.	-[(0.5)n+2(3)n]u(-n-1)
D.	(0.5)nu(n)-2(3)nu(-n-1)
Answer» D. (0.5)nu(n)-2(3)nu(-n-1)

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