Find the (z)-transform of (a) (quad x[n]=(n-4) u[n-4]) (b) (quad x[n]=u[n]-u[n-4]) (c) (quad x[n]=(n-4) u[n]) (d) (quad
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Find the \(z\)-transform of
(a) \(\quad x[n]=(n-4) u[n-4]\)
(b) \(\quad x[n]=u[n]-u[n-4]\)
(c) \(\quad x[n]=(n-4) u[n]\)
(d) \(\quad x[n]=n[u[n]-u[n-4]]\)
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