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(a) H(z) = 3z^2 + 2 + z^-1 + z^-3.What is the inverse z-transform of H(z)?...

(a) H(z) = 3z^2 + 2 + z^-1 + z^-3.What is the inverse z-transform of H(z)?

(b) If H(z) in part (a) is the transfer function of a system. What is the difference equation for this system?

(c) If x[n] = [ 2 ,−1, 3 ], (where n_0 = -1) What is its z-transform?

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