If the ROC of the system function is the exterior of a circle of radiu – McqOptions

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1.	If the ROC of the system function is the exterior of a circle of radius r < ‚Äö√Ñ√∂‚àö‚Ä†‚àö¬™, including the point z = ‚Äö√Ñ√∂‚àö‚Ä†‚àö¬™, then the system is said to be?#
A.	Stable
B.	Causal
C.	Anti causal
D.	None of the mentioned
Answer» C. Anti causal

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