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1. |
If R1is the region of convergence of x (n) and R2 is the region of convergence ofy(n), then the region of convergence of x (n) convoluted y (n) is |
A. | R1−R2 . |
B. | R1 R2 . |
C. | R1 U R2 . |
D. | R1 ^ R2 . |
Answer» E. | |