A system with the open loop transfer function G(s) = K s(s + 2)(s2 + 2s + 2)is connected in a negative feedback configuration with a feedback gain of unity. For the closed loop system to be marginally stable, the value of K is ____

A system with the open loop transfer function G(s) = K s(s + 2)(s2 + 2

1.	A system with the open loop transfer function G(s) = K s(s + 2)(s2 + 2s + 2)is connected in a negative feedback configuration with a feedback gain of unity. For the closed loop system to be marginally stable, the value of K is ____
A.	2
B.	3
C.	4
D.	5
Answer» E.

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A system with the open loop transfer function G(s) = K s(s + 2)(s2 + 2s + 2)is connected in a negative feedback configuration with a feedback gain of unity. For the closed loop system to be marginally stable, the value of K is ____

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