Question: Let the open - loop transfer function with the unity feedback G ( s ) = K ( s + 1 ) ( s +

Let the open-loop transfer function with the unity feedback G(s)=K(s+1)(s+2)(s+3).
(a) Sketch the root locus.
(b) Find all the asymptotes and real-axis intercepts if there are any.
(c) Find the break-in and breakaway points.
(d) Does the root locus has a intersection point with the imaginary axis? If so, find the coordinates of the cross points.
Let the open - loop transfer function with the

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