A system has a characteristic equation q(s) = s3 + 20s2 + 5s + 100 = 0.

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A system has a characteristic equation
q(s) = s3 + 20s2 + 5s + 100 = 0.
(a) Determine whether the system is stable, using the Routh-Hurwitz criterion.
(b) Determine the roots of the characteristic equation.
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Modern Control Systems

ISBN: 978-0136024583

12th edition

Authors: Richard C. Dorf, Robert H. Bishop

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