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Proceedings of the National Academy of Sciences of Belarus. Physics and Mathematics Series

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Analysis of roots of trinomial polynomials

https://doi.org/10.29235/1561-2430-2024-60-4-280-294

Abstract

In the article we develop a simple and uniform method that allows one to calculate the number and localization of real solutions of three-term (trinomial) algebraic equations of arbitrary degree with real coefficients. The method is based on the fact that using certain substitutions, a three-term equation is reduced to an auxiliary equation with one parameter, represented as an explicit function of the coefficients of the initial equation, and the properties of the solutions of the initial equation depend only on the values of this parameter.

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ISSN 1561-2430 (Print)
ISSN 2524-2415 (Online)