1. For each of following closed loop systems (i.e. analyze the G(s) 'as is'), determine the...

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1. For each of following closed loop systems (i.e. analyze the G(s) 'as is'), determine the stability/instability by examining the polynomial coefficients. If this is insufficient to determine stability apply the designated criterion to determine if the system is stable and - if necessary - over what range of K. G(s)= G(s) = S+10 4 10s +10s +20s+s+1 8-5 s+10s +100s +151 Routh Hurwitz S+10 G(s) = Routh 10s +10s3+20s + Ks+1' 1. For each of following closed loop systems (i.e. analyze the G(s) 'as is'), determine the stability/instability by examining the polynomial coefficients. If this is insufficient to determine stability apply the designated criterion to determine if the system is stable and - if necessary - over what range of K. G(s)= G(s) = S+10 4 10s +10s +20s+s+1 8-5 s+10s +100s +151 Routh Hurwitz S+10 G(s) = Routh 10s +10s3+20s + Ks+1'