Question: A sequence has the discrete-time Fourier transform 1- a? X (ei): |al < 1. (1 ae-jw)(1 - aeja)'

A sequence has the discrete-time Fourier transform

1- a? X (ei

(a) Find the sequence x[n].

(b) Calculate

1- a? X (ei"): |al < 1. (1 ae-jw)(1 - aeja)'

1- a? X (ei"): |al < 1. (1 ae-jw)(1 - aeja)'

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