Question: The Nyquist plot of a unity feedback system having open loop transfer function (mathrm{G}(s)=frac{mathrm{K}(s+3)(s+5)}{(s-2)(s-4)}) for (mathrm{K}=1) is as shown. For the system to be stable,

The Nyquist plot of a unity feedback system having open loop transfer function \(\mathrm{G}(s)=\frac{\mathrm{K}(s+3)(s+5)}{(s-2)(s-4)}\) for \(\mathrm{K}=1\) is as shown. For the system to be stable, the range of values of \(\mathrm{K}\) is
(a) \(0(b) \(0(c) \(\mathrm{K}>1.33\)
(d) \(\mathrm{K}>1 / 1.33\)

0 +11 - 1.33 Im GH plane Re

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