Question: Sketch Nyquist plot for unity feedback system with loop transmittance [ mathrm{G}(s)=frac{mathrm{K}(s+10)^{2}}{s^{3}} ; mathrm{K}>0 ] and investigate range of gain (mathrm{K}) for stability.

Sketch Nyquist plot for unity feedback system with loop transmittance

\[
\mathrm{G}(s)=\frac{\mathrm{K}(s+10)^{2}}{s^{3}} ; \mathrm{K}>0
\]

and investigate range of gain $\mathrm{K}$ for stability.

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