Find the Z-transforms of the following sequences: n a) x [n] = () u[n + 2]...

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Find the Z-transforms of the following sequences: n a) x₁ [n] = (²) u[n + 2] b) x₂ [n] = {..., 0, 1, 3, -2, 4, 0, 0, ...} ↑ c) x3 [n] = alm, 0 <a<1 d) x4 [n] = sin(wn) u[n] [Use the fact that sin(wn) = (ejwn - e-iwn)] 2 Find the Z-transforms of the following sequences: n a) x₁ [n] = (²) u[n + 2] b) x₂ [n] = {..., 0, 1, 3, -2, 4, 0, 0, ...} ↑ c) x3 [n] = alm, 0 <a<1 d) x4 [n] = sin(wn) u[n] [Use the fact that sin(wn) = (ejwn - e-iwn)] 2