engineering recuitment HAL Management & Design Trainee Mock Test 2023 Signals and Systems Z Transform Region of Convergence in Z-Plane
If x[n] = (1/3)|n| - (1/2)n u[n], then the region of convergence (ROC) of its z-transforms in the z-plane will be
1
\(\left| z \right| > 3\)
2
\(\frac{1}{3} < \left| z \right| < \frac{1}{2}\)
3
\(\frac{1}{2} < \left| z \right| < 3\)
4
\(\frac{1}{3} < \left| z \right|\)