Question: A system has a loop transfer function When K 342.8, the closed-loop system is unstable. Find the gain margin and phase margin of the

A system has a loop transfer functionL(S) = Ge(s)G(s) = K(s + 75) s(s+ 10) (s +30)

When K ≥ 342.8, the closed-loop system is unstable. Find the gain margin and phase margin of the system with K = 25.

L(S) = Ge(s)G(s) = K(s + 75) s(s+ 10) (s +30)

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