Consider the system shown below where h [n] = {2, 1, 2} and h[n] = (n+1)...

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Consider the system shown below where h₁ [n] = {2, 1, 2} and h₂[n] = (n+1) u[n] (- means subtraction). h₂[n] x [n]- h₁ [n] y[n] S[-2] h₂[n] (a) Determine the impulse response of the system and plot it for n = -3,...,6. (b) Determine graphically the response of the system to the following input. -1 x[n] Lipp 2 3 4 5 -4 Consider the system shown below where h₁ [n] = {2, 1, 2} and h₂[n] = (n+1) u[n] (- means subtraction). h₂[n] x [n]- h₁ [n] y[n] S[-2] h₂[n] (a) Determine the impulse response of the system and plot it for n = -3,...,6. (b) Determine graphically the response of the system to the following input. -1 x[n] Lipp 2 3 4 5 -4