The open loop transfer function of a unity feedback control system is given byG(s) = K(s + 2)s(s2 + 2s + 2)The centroid and angles of root locus asymptotes are respectively

The open loop transfer function of a unity feedback control system is

1.	The open loop transfer function of a unity feedback control system is given byG(s) = K(s + 2)s(s2 + 2s + 2)The centroid and angles of root locus asymptotes are respectively
A.	zero and + 90 , 90
B.	zero and + 120 , 120
Answer» B. zero and + 120 , 120

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The open loop transfer function of a unity feedback control system is given byG(s) = K(s + 2)s(s2 + 2s + 2)The centroid and angles of root locus asymptotes are respectively

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