A linear time invariant system is characterized by the system function – 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 ROC of H(z) if the system is causal?
A.	\|z\|<3
B.	\|z\|>3
C.	\|z\|<0.5
D.	\|z\|>0.5
Answer» C. \|z\|<0.5

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