Mathematics · Signals and Systems
A left-sided discrete-time sequence is defined as x[n] = 2-n u[-n - 1]. The Region of Convergence (ROC) of its Z-transform is given by:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1|z| < 12✓
- 2|z| > 12
- 3The entire z-plane except z = 0
- 4The entire z-plane
Correct answer
|z| < 12
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