The open-loop transfer function of a unity feedback control system isG(s) = K(s + 2)(s + 1)(s - 7)For K > 6, the stability characteristic of the openloop and closed-loop configurations of the system are respectively

The open-loop transfer function of a unity feedback control system isG

1.	The open-loop transfer function of a unity feedback control system isG(s) = K(s + 2)(s + 1)(s - 7)For K > 6, the stability characteristic of the openloop and closed-loop configurations of the system are respectively
A.	stable and unstable
B.	stable and stable
C.	unstable and stable
D.	unstable and unstable
Answer» D. unstable and unstable

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The open-loop transfer function of a unity feedback control system isG(s) = K(s + 2)(s + 1)(s - 7)For K > 6, the stability characteristic of the openloop and closed-loop configurations of the system are respectively

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