Numerical - Root loci at infinity for given open loop transfer function

Q.  If the system is specified by open loop transfer function G(s)H(s) = k / s(s+3) (s + 2), how many root loci proceed to end at infinity?
- Published on 09 Oct 15

a. 2
b. 3
c. 5
d. 6

ANSWER: 3

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