Electrical Engineering > GATE 2017 SET-2 > Root Locus
The root locus of the feedback control system having the characteristic equation s2 + 6Ks + 2s + 5 = 0 where K > 0, enters into the real axis at
A
s=-1
B
s=-√5
C
s=-5
D
s=√5

Correct : b

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