Question

Routh Hurwitz criterion gives:

(a) Number of roots in the right half of the s-plane

(b) Value of the roots

(c) Number of roots in the left half of the s-plane

(d) Number of roots in the top half of the s-plane

I had been asked this question in class test.

My doubt stems from Routh-Hurwitz Stability Criterion topic in section Stability and Algebraic Criteria of Control Systems

Answer 1

Right option is (a) Number of roots in the right half of the s-plane

Easy explanation: Routh Hurwitz criterion gives number of roots in the right half of the s-plane.