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Using Routh Criterion

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Using Routh criterion:

A) Determine the range of values of K such that the system is stable for

s(s²+4s+10)+ k (s+5)=0

B) Investigate the stability of the characteristic equation:

S5+ S4+ 2s³+ s²+ S + K=0

Notice: S5, S4 in the above means s^5 and s^4 (i.e. s is raised to these powers). Thanks.

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