QUESTION 4 Z-transfom of any discrete -time signal can be defined using expression below, +00 X(Z) = x[n]z=", (a) By using above Z-transfom expression, derive and prove that both discrete-time signal below produces similar X(Z) expression. x,[n] = a"u[n] x2[n] = -a"u[-n – 1] %3D

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QUESTION 4
Z-transform of any discrete -time signal can be defined using expression below,
+00
X(Z) = > x[n]z=",
(a)
By using above Z-transform expression, derive and prove that both discrete-time signal
below produces similar X(Z) expression.
x,[n] = a"u[n]
x2[n] = -a"u[-n – 1]
Transcribed Image Text:QUESTION 4 Z-transform of any discrete -time signal can be defined using expression below, +00 X(Z) = > x[n]z=", (a) By using above Z-transform expression, derive and prove that both discrete-time signal below produces similar X(Z) expression. x,[n] = a"u[n] x2[n] = -a"u[-n – 1]
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