What is the ROC of z-transform of an two sided infinite sequence?
A. |z|&gt;r1
B. |z|&lt;r1
C. r2&lt;|z|&lt;r1
D. None of the mentioned
Answer:A
What is the ROC of z-transform of an two sided infinite sequence?
A. |z|&gt;r1 B. |z|&lt;r1 C. r2&lt;|z|&lt;r1 D. None of the mentioned
Explanation: Let us plot the graph of z-transform of any two sided sequence which looks as follows.