Question: A causal system produces the output sequence y[n] = 8[n] + 0.78[n 1] When excited by the input sequence x[n] = 8[n] 0.78[n 1] +

A causal system produces the output sequence y[n] = 8[n] + 0.78[n 1] When excited by the input sequence x[n] = 8[n] 0.78[n 1] + 0.18[n 2] a) Determine the difference equation for the system. b) Determine the frequency response of the system. (DTFT)

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