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Aptitude
General Knowledge
Verbal Reasoning
Computer Science
Interview
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The ROC of sequence in the Z.T. of sequence x[n] = an ∪ [n] is
z > a
z < a
|z| > a
|z| < a
Show Answer
Correct Answer:
|z| > a
Explanation:
The simplest method to find the ROC. Put denominator to greater than zero.
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