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DISTRIBUTION OF ROOTS OF CUBIC EQUATIONS

Journal of the Korean Society of Mathematical Education Series B: The Pure and Applied Mathematics / Journal of the Korean Society of Mathematical Education Series B: The Pure and Applied Mathematics, (P)1226-0657; (E)2287-6081
2010, v.17 no.2, pp.185-188
Huang, Deqing
Tang, Yilei
Zhang, Weinian

Abstract

In this note the distribution of roots of cubic equations in contrast to 0 is given, which is useful to discuss eigenvalues for qualitative properties of differential equations.

keywords
cubic equation, distribution of roots, discriminant

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Journal of the Korean Society of Mathematical Education Series B: The Pure and Applied Mathematics