# Stability Theory – 5

5. The characteristic equation of a feedback control system is

$2s^4 + s^3 + 3s^2 + 5s + 10 = 0$
The number of roots in the right half of s-plane are :

(a) zero
(b) 1
(c) 2
(d) 3

Answer : (c)

Explanation : No answer description available for this question. Let us discuss.

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