Question: Ex . 3 6 3 . Consider a unity feedback system with the forward transfer function K * G ( s ) = K *

Ex.363. Consider a unity feedback system with the forward transfer function
K*G(s)= K*(s+45)/(s(s+1)(s+20)(s+73)).
Find K for a marginally stable closed-loop system. Sketch the root locus.
Enter the same answer three times: K, K and K. ans:3

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