Mathematics, 04.04.2020 13:56, lucky1940

Consider the polynomial p(s) = s2 + bs + c where b and c are real numbers. Show that all the roots of p(s) are both contained in the open left half plane {s : s < 0} if and only if b > 0 and c > 0. Hint: use the quadratic formula.

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Consider the polynomial p(s) = s2 + bs + c where b and c are real numbers. Show that all the roots o...