# 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

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

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