The open loop transfer function of a unity feedback system is \(G(s)=\frac{K}{s(s^2+s+2)(s+3)}\). The range of K for which the system is stable is

The open loop transfer function of a unity feedback system is \(G(s)=

1.	The open loop transfer function of a unity feedback system is \(G(s)=\frac{K}{s(s^2+s+2)(s+3)}\). The range of K for which the system is stable is
A.	\(\frac{21}{4}>K>0\)
B.	\(13>K>0\)
C.	\(\frac{21}{4}<\infty\)< span>
D.	\(-6<\infty\)< span>
Answer» B. \(13>K>0\)