The bilateral z-transform of a discrete-time signal x[n] is X(z) = (1-a^2) / ((z-a)(z^-1 - a)) with 0 < a < 1, and the region of convergence a < |z| < 1/a. Let u[n] be the discrete-time unit step signal. Then, for n ≥ 0, the signal x[n] is

GATE 2025 Electrical Engineering Q2 — Electrical Engineering

GATE 2025Set MasterQ2MCQanswer keyexplanation soonhard

Electrical Engineering · Signals and Systems - Z-Transform

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Signals and Systems - Z-Transform has appeared in GATE Electrical Engineering 2 times across 2 years (2023, 2025).

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Z-transformdiscrete-time signalROCunit step