Consider the following Nyquist plot of a feedback system having open loop transfer function \(\mathrm{GH}(s)=(s+1) /\left[s^{2}(s-2)ight]\) as shown in the diagram given below. What is the number of closed loop poles in the right half of the \(s\) plane?
(a) 0
(b) 1
(c) 2
(d) 3

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