Determine the z-transform of the following signals. Sketch pole-zero plot and indicate the region of convergence.

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Determine the z-transform of the following signals. Sketch pole-zero plot and indicate the region of convergence.

a) x[n] = u[n] – u[n – 4]
b) x[n] = 8[n – 1] + 8[n] + d[n + 1]
c) x[n] = 2 (-0.8)"-lu[n – 1]
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Transcribed Image Text:a) x[n] = u[n] – u[n – 4] b) x[n] = 8[n – 1] + 8[n] + d[n + 1] c) x[n] = 2 (-0.8)"-lu[n – 1] -
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