If characteristic equation of a closed-loop system is1 + K = 0s(s + 1)(s + 2)then centroid at the asymptotes in root-locus will be

If characteristic equation of a closed-loop system is1 + K = 0s(s + 1)

1.	If characteristic equation of a closed-loop system is1 + K = 0s(s + 1)(s + 2)then centroid at the asymptotes in root-locus will be
A.	zero
B.	2
C.	1
D.	2
Answer» D. 2

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If characteristic equation of a closed-loop system is1 + K = 0s(s + 1)(s + 2)then centroid at the asymptotes in root-locus will be

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