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Please, explain in detail. I need help with the following:
12.5% A unity-feedback control system has transfer functions G(s) followed by G,(s) in the forward loop. A disturbance enters between G,(s) and G,(s). Consider the two cases: 7, 20 1002) andG,(s)-(s+1) and B. G(s)_ andG,(s)= s +1 s(s +2) I. Which system has the least steady-state error when tracking a step input as the reference with no disturbance present? Sane why? Boh ane type a%。isturband mean- II. Which system has the least steady-state error when there is no reference input but there is a step disturbance present? B A 3 5

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