Question: A system with a transfer function Y(s)/R(s) is Determine the steady-state error to a unit step input. Is the system stable? Y(s) R(s) 15(s+2) s4

A system with a transfer function Y(s)/R(s) is 

Y(s) R(s) 15(s+2) s4 +85 +2s2 + 3s +1

Determine the steady-state error to a unit step input. Is the system stable?

Y(s) R(s) 15(s+2) s4 +85 +2s2 + 3s +1

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