Question: Using the Routh-Hurwitz criterion and the unity feedback system of Figure P6.3 with a. Find the range of K for stability. b. Find the value

Using the Routh-Hurwitz criterion and the unity feedback system of Figure P6.3 with

K G(s) = s(s + 1)(s+ 2)(s+ 6)

a. Find the range of K for stability.

b. Find the value of K for marginal stability.

c. Find the actual location of the closed-loop poles when the system is marginally stable.

K G(s) = s(s + 1)(s+ 2)(s+ 6)

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