Question: (a) Derive the expression for the discrete-time signal x(n) in example using the periodicity properties of sinusoidal functions. (b) What is the analog signal we

(a) Derive the expression for the discrete-time signal x(n) in example using the periodicity properties of sinusoidal functions.
(b) What is the analog signal we can obtain from x(n) if in the reconstruction process we assume that Fs = 10 kHz?

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