The range of K for stability of a feedback system whose open-loop transfer function $$G\left( s \right) = \frac{K}{{s\left( {s + 1} \right)\left( {s + 2} \right)}}$$ is:
A. 0 < K < 3
B. 0 < K < 6
C. K > 6
D. 0 > K > 3
Answer: Option B
This Question Belongs to Electronics And Communications Engineering >> Control Systems
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