(Solved): Consider a unity feedback system: Consider an open loop transfer function: \[ G(s)=\frac{s+1}{s^{2} ...

Consider a unity feedback system: Consider an open loop transfer function: \[ G(s)=\frac{s+1}{s^{2}+8 s+16} \] Given \( K=4 \). Calculate and choose all the roots of the closed loop characteristic equatior Select one or more: a. \( -10 \) b. \( -2 \) c. \( -6 \) d. \( -8 \) e. \( -4 \)