Consider a unity feedback system with open loop transfer function \(G(s)=\frac{K}{(s-1)(s^2 + 4s+7)}\)A root locus exist on the real axis between

Consider a unity feedback system with open loop transfer function \(G

1.	Consider a unity feedback system with open loop transfer function \(G(s)=\frac{K}{(s-1)(s^2 + 4s+7)}\)A root locus exist on the real axis between
A.	\(s=1 ~\ and~s=-\infty\)
B.	\(s=1 ~\ and~s=-2\)
C.	\(s=-1 ~\ and~s=-\infty\)
D.	\(s=-2 ~\ and~s=-\infty\)
Answer» B. \(s=1 ~\ and~s=-2\)

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Consider a unity feedback system with open loop transfer function \(G(s)=\frac{K}{(s-1)(s^2 + 4s+7)}\)A root locus exist on the real axis between

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