GATE EC Question of the Day 28-01-2020

Question of the Day

GATE 2016 EC Question No. 241

The ROC (region of convergence) of the z-transform of a discrete-time signal is represented by the shaded region in the z-plane. If the signal

x [n] = {(2.0)}^{|n|}, - \infty < n < + \infty

, then the ROC of its z-transform is represented by

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Question of the Day 28-01-2020