Question: One system has the following transfer function: (a) (b) (c) 1-2 (1-0.52 )(1-0.75= )(1-1.25) stable. H(z)=- Calculate four possible ROCS (region of convergence) for

One system has the following transfer function: (a) (b) (c) 1-2 (1-0.52 )(1-0.75= )(1-1.25) stable. H(z)=- Calculate four possible ROCS (region of convergence) for the system. (6) Determine the impulse response of the system h[n], if we know that the system is Is it causal? Why or why not? (6) (8)

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