Question: A unity feedback system has the loop transfer function L(s) = KG(s) = K(s + 2) / s(s + 1). (a) Find the breakaway and

A unity feedback system has the loop transfer function
L(s) = KG(s) = K(s + 2) / s(s + 1).
(a) Find the breakaway and entry points on the real axis.
(b) Find the gain and the roots when the real part of the complex roots is located at -2.
(c) Sketch the locus.

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