Electrical Engineering > GATE 2023 > Z-Transform
The Z-transform of a discrete signal x[n] is
with ROC=R. Which one of the following statements is true?
A
Discrete-time Fourier transform of x[n] converges if R is |z|>3.
B
Discrete-time Fourier transform of x[n] converges if R is 2/3<|z|<3.
C
Discrete-time Fourier transform of x[n] converges if R is such that x[n] is a left-sided sequence.
D
Discrete-time Fourier transform of x[n] converges if R is such that x[n] is a right-sided sequence.

Correct : a

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