The transfer function of a closed loop system is : T(s)=Ks2+(3−K)(s+1) Where K is the forward path gain. The root locus plot of the system is :
The forward-path transfer function and the feedback-path transfer function of a single loop negative feedback control system, are given as G(s)=K(s+2)s2+2s+2 and H(s)=1, respectively. If the variable parameter K is real positive, then the location of the breakaway point on the root locus diagram of the system is