A unity negative feedback system has the open-loop transfer function: K(s+1) s² + s +1 What value of the gain K corresponds to the break-in point on the root-locus? G(s) = a. 1 b. 2 Oc. 3 Od. 2.5 None f. 3.5 Og. 1.5

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Q: e feedback control system mu

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