Question: Using the Routh-Hurwitz criterion, determine the stability of the closed-loop system that has the following characteristic equations. Determine the number of roots of each

Using the Routh-Hurwitz criterion, determine the stability of the closed-loop system that 

Using the Routh-Hurwitz criterion, determine the stability of the closed-loop system that has the following characteristic equations. Determine the number of roots of each equation that are in the right-half s-plane and on the jw-axis. a) s3+25s2 + 10s + 450 = 0 b) 2s 10s3 +5.5s + 5.5s + 10 = 0 c) s6 +2s5 +8s4 +15s3 +20s + 16s+ 16 = 0

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