For the closed loop system shown in Fig. D4.9.
(a) For what values at \(\mathrm{K}\) is the system stable?
(b) For what value of \(\mathrm{K}\) is the system marginally stable?
(c) For the value of \(\mathrm{K}\) in part \((b)\), what are the two imaginary axis roots?

Transcribed Image Text:

R(s)- K s+1 1 $+2 1 s(s+5) Y(s)