The region of convergence of a causal finite duration discrete-time si

1.	The region of convergence of a causal finite duration discrete-time signal is
A.	The entire z-plane except z = 0
B.	The entire z-plane except z = ‚Äö√Ñ√∂‚àö‚Ä†‚àö¬™
C.	The entire z-plane
D.	A strip in z-plane enclosing j‚âà√¨‚àö¬¢‚Äö√Ñ√∂‚àö√ë‚àö¬®axis
Answer» B. The entire z-plane except z = ‚Äö√Ñ√∂‚àö‚Ä†‚àö¬™

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