(a) Draw the pole-zero pattern for the signal (b) Compute the z-transform X2 (z...

(a) Draw the pole-zero pattern for the signal

(b) Compute the z-transform X₂ (z) , which corresponds to the pole-zero pattern in part (a).

(c) Compare X₁(z) with X₂(z). Are they indentical? If not, indicate a method to derive X₁ (z) from the pole-zero pattern.