Question: Let a system be described by y[n] = 0.8yin - 1] +0.90x[n] - x[n-1]). Use z-transform methods to determine the output y[n] if the input

Let a system be described by y[n] = 0.8yin - 1] +0.90x[n] - x[n-1]). Use z-transform methods to determine the output y[n] if the input x[n] = (-1)"u[n)

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