Question: For what values of ' (a) ' does the system shown in figure has a zero steady state error [i.e., (operatorname{Lim}_{t ightarrow infty} e(t)) ]

For what values of ' $a$ ' does the system shown in figure has a zero steady state error [i.e., $\operatorname{Lim}_{t ightarrow \infty} e(t)$ ] for a step input:

e(t) s+1 S + 5s + a 1 S+4 (a) $a=0$
(b) $a=1$
(c) $a(d) For no value of \(a$

e(t) s+1 S + 5s + a 1 S+4

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