When a zero at s = -4.5 is added to the \(G(s) = \frac {K}{s(s+4)}\), the value of K at which the breakaway point of the root locus occurs is

When a zero at s = -4.5 is added to the \(G(s) = \frac {K}{s(s+4)}\),

1.	When a zero at s = -4.5 is added to the \(G(s) = \frac {K}{s(s+4)}\), the value of K at which the breakaway point of the root locus occurs is
A.	0.5
B.	1
C.	2
D.	4
Answer» C. 2