For the unity feedback system as shown in Figure Q1, R(5) C(s) G(s) G(s) = K $(2 + 4s+5) Calculate the a) poles and zero for the open loop system b) real axis point c) angles of asymptotes and centroid d) break-away and break-in point e) imaginary axis crossing point f) sketch root locus (3 marks) (2 marks) (4 marks) (4 marks) (6 marks) (6 marks)