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The transfer function of a system is given by
H(z) = z(3z - 2) z² - z - 1/4
The system is
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- causal and stable
- causal, stable and minimum phase
- minimum phase
- none of these
Correct Option: D
| Zero at: z = 0, | , poles at z = | ||
| 3 | 2 |
(i) Not all poles are inside | z| = 1, the system isnot causal and stable
(ii) Not are poles and zero are inside | z| = 1, the system is not minimum phase
