The characteristic equation of a control system is given as s4 + 8s3 + – McqOptions

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1.	The characteristic equation of a control system is given as s4 + 8s3 + 24s2 + 32s + K = 0. What is the range of values of K for this system to be stable?
A.	0 ‚â§ K < 80
B.	0 ‚â§ K < 100
C.	0 ‚â§ K < 2300
D.	0 ‚â§ K < 600
Answer» B. 0 ‚â§ K < 100

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