Q11) A system has an open loop transfer function (4) G(s) H(s)=k(S+2)/[S²+2S+2)] (b) G(s) H(s)=k(S+1)/[S(S²+5S+6)] (c) G(s) H(s)=k/[S(S+6S+8)] (d)G(s) H(s)=k/[S(S²+2S+2)] 118 (e) G(s) H(s)-k(S²+1)/[S(S+1) (F) G(s) H(s) k(S²+2S+2)/[S(S²+3S+2)] (G(s) N(s)-k/[S(S²+3S+2)] (M) G(s) H(s)=k/[S(S+3)(S²+2S+2)] (H) G(s) H(s)-k/IS(S+4)] (1) G(s) H(s)=k(S+3)/[(S²+5S+4)] LJ) G(s) H(s)=k(S+4)/[S(S+3)] is a circle at -4 and r=2 G(s) H(s)=k/[S(S+3S+2)] (K) A- Sketch the complete root locus for positive values of K? B- Find K that makes the complex closed loop poles have a damping ratio =0.9 and find these poles using the plot and analytically? Fig.1 R(s) B(s) E(s) C(s) G(5) H(s)