What is the ROC of the z-transform of the signal x(n)= anu(n)+bnu(-n-1)?
A. |a|&lt;|z|&lt;|b|
B. |a|&gt;|z|&gt;|b|
C. |a|&gt;|z|&lt;|b|
D. |a|&lt;|z|&gt;|b|
Answer:A
What is the ROC of the z-transform of the signal x(n)= anu(n)+bnu(-n-1)?
A. |a|&lt;|z|&lt;|b| B. |a|&gt;|z|&gt;|b| C. |a|&gt;|z|&lt;|b| D. |a|&lt;|z|&gt;|b|
Explanation: We know that,