Question: Given a unity feedback system with the forward-path transfer function and a delay of 0.5 second, find the range of gain, K, to yield stability.

Given a unity feedback system with the forward-path transfer function

K G(s) = (s + 1)(s+ 3)(s+6)

and a delay of 0.5 second, find the range of gain, K, to yield stability. Use Bode plots and frequency response techniques.

K G(s) = (s + 1)(s+ 3)(s+6)

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