Question: A unity feedback control system has a forward path transfer function; (mathrm{G}(s)=frac{10(1+4 s)}{s^{2}(1+s)}), the system is subjected to an input (r(t)=1+t+frac{t^{2}}{2}(t geq 0)), the steady

A unity feedback control system has a forward path transfer function; $\mathrm{G}(s)=\frac{10(1+4 s)}{s^{2}(1+s)}$, the system is subjected to an input $r(t)=1+t+\frac{t^{2}}{2}(t \geq 0)$, the steady state error of the system will be:
(a) zero
(b) 10
(c) 0.1
(d) infinity

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