What is the ROC of a causal infinite length sequence?
A. |z|&lt;r1
B. |z|&gt;r1
C. r2&lt;|z|&lt;r1
D. None of the mentioned
Answer:A
What is the ROC of a causal infinite length sequence?
A. |z|&lt;r1 B. |z|&gt;r1 C. r2&lt;|z|&lt;r1 D. None of the mentioned
Explanation: The ROC of causal infinite sequence is of form |z|>r1 where r1 is largest magnitude of poles.