The closed-loop transfer function of a feedback control system is given by
$$\frac{C\left(s\right)}{R\left(s\right)}=\frac{Ks}{s^2+(3+K)s+2}$$
Which one of the following diagrams represents the root locus diagram of the system for $K>0$ ?

Transcribed Image Text:

(a) (c) K K=0 K K = 0 K=0 K = 0 jo A jo K=-00 K=-00 ( O (b) (d) K K K=0 K=0 * K=0 * K = 0 jo jo K K O