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Let X(z) be the Z-transform of a discrete time sequence x[n]=(−2)−nu[n]. Consider another signal y[n] and its Z-transform is Y(z), given as Y(z)=X(z−2). Then the value of y[n] at n=-2 is___.-0.5

Answer» Let X(z) be the Z-transform of a discrete time sequence x[n]=(2)nu[n]. Consider another signal y[n] and its Z-transform is Y(z), given as Y(z)=X(z2). Then the value of y[n] at n=-2 is___.
  1. -0.5


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