(Solved):
The open -loop transfer function of a unity-feedback system is \( G(s)=\frac{ ...
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The open -loop transfer function of a unity-feedback system is \( G(s)=\frac{K(s+10)(s+20)}{s^{2}(s+2)} \). The closed-loop system will be stable if the value of \( K \) is (a) 2 (b) 3 (c) 4 (d) 5