Electronics and Communication Engineering - Exam Questions Papers - Discussion
Discussion Forum : Exam Questions Papers - Exam Paper 2 (Q.No. 11)
11.
The z-transform of a signal 
converges if and only if
converges if and only if
Answer: Option
Explanation:
For u(n), a right handled sequence,
|z| > 
, |z| = 
∴ |3z| > 1; |2z| > 1
∴ 
< 1; 
< 1.
Discussion:
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