The ROC of z-transform of the discrete time sequence x(n) = is:

1.	The ROC of z-transform of the discrete time sequence x(n) = is:
A.	1/3>\|z\|<1/2
B.	\|z\|>1/2
C.	\|z\|<1/3
D.	2>\|z\|<3
Answer» B. \|z\|>1/2

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