The characteristics polynomial of a control system is given as q(s) = – McqOptions

MCQOPTIONS

1.	The characteristics polynomial of a control system is given as q(s) = s4 + s3 + s2 + s + kThe system is :
A.	Stable for all values of k
B.	Stable for positive values of k
C.	Unstable for all values of k
D.	Unstable for only positive values of k
Answer» D. Unstable for only positive values of k

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