1.

If [] () with ROC = R and [] () with ROC = R then ROC for [] + [] will be __________ (where R → Region of convergence and [] and [] are causal).

Answer» R1 ∩ R2, Suppose R1 for x1(n) be Then ROC for x1(n) + x2(n) R1 ∩ R2 (R1 < R2) Then ROC for x1(n) + x2(n) R1 ∩ R2(R1 < R2)


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