The characteristic equation of a control system is given by

s(s+4) (s^{2} + 2s + 1) + k (s + 1) = 0

What are the angles of asymptotes of the root loci for k ≥ 0?

A. 0°, 120°, 240°

B. 0°, 180°, 300°

C. 60°, 180°, 300°

D. 120°, 180°, 240°

## Show Answer

Answer: C

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