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DOI: 10.2478/v10037-009-0012-z Solution of Cubic and Quartic Equations
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Marco Riccardi
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@MISC{Riccardi_doi:10.2478/v10037-009-0012-z,
author = {Marco Riccardi},
title = {DOI: 10.2478/v10037-009-0012-z Solution of Cubic and Quartic Equations},
year = {}
}
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Abstract
Summary. In this article, the principal n-th root of a complex number is defined, the Vieta’s formulas for polynomial equations of degree 2, 3 and 4 are formalized. The solution of quadratic equations, the Cardan’s solution of cubic equations and the Descartes-Euler solution of quartic equations in terms of their complex coefficients are also presented [5].
