The characteristic equation of a feedback control system is given by s – McqOptions

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1.	The characteristic equation of a feedback control system is given by s3 + 5s2 + (K + 6)s + K = 0where K > 0 is a scalar variable parameter. In the root-loci diagram of the system the asymptotes of the root-locus for large values of K meet at a point in the s-plane, whose coordinates are :
A.	(- 3, 0)
B.	(- 2, 0)
C.	(- 1, 0)
D.	(2, 0)
Answer» D. (2, 0)

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