Question: A causal digital filter has the transfer function given as F ( z ) = 3 z 2 - 2 ( z - 1 )

A causal digital filter has the transfer function given as
F(z)=3z2-2(z-1)(z-0.5)
:.(i) Determine the region of convergence of this system.
(ii) Is the system stable?
A causal digital filter has the transfer function

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