An open loop transfer function G(s) of a system is \(G\left( s \right) = \frac{K}{{s\left( {s + 1} \right)\left( {s + 2} \right)\left( {s + 3} \right)}}\)
for a unity feedback system, it has
1
no breakaway points
2
only one breakaway points
3
two breakaway points
4
three breakaway points