(Solved): IIIA- Stability: (a)-The characteristic polynomial of a system is: F.(s)-s +4s+3st Use the Routh-Hu ...

IIIA- Stability: (a)-The characteristic polynomial of a system is: F.(s)-s +4s+3st Use the Routh-Hurwitz method to determine the range for gain k to ensure stability. (b)- For a feedback system G-k, G?-1/(s²+4s+15) and H-s+3, k20. (b1)-sketch the Root Locus (RL) inside the coordinates. Inspect the possibility of a break-in and the crossover points and the corresponding values of gain k at each point, if any. (b2)- The minimum damping ratio, 5, and the corresponding gain, k, and frequency, co. Im 0 Re