Question: The characteristic equation of a certain system is 4s2 + 6ds + 25d2 = 0, where d is a constant, (a) For what values of

The characteristic equation of a certain system is 4s2 + 6ds + 25d2 = 0, where d is a constant,
(a) For what values of d is the system stable?
(b) Is there a value of d for which the free response will consist of decaying oscillations?

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