(Solved): Sketch of Root Locus using MATLAB for the following open-loop transfer function, GH(s)=s2+4s+8Ks ...

Sketch of Root Locus using MATLAB for the following open-loop transfer function, $GH(s)=\frac{Ks}{s^2+4s+8}$ (a) Determine the zeros and poles of the open-loop transfer function. (b) Determine the break point for the root locus on the real axis. You need to find both the point and the corresponding $\mathrm{K}$ value. (c) Determine the angle of departure of the root locus from the complex poles.