A note on Cardano’s formula

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Annals of Mathematics and Physics volume7-issue1 articles
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Submitted: February 7, 2024
Published: Feb 29, 2024
DOI: 10.17352/amp.000107
Keywords:
Cardano’s formula, Cubic equations, Rational roots

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Dietmar Pfeifer*
Institute of Mathematics, Carl von Ossietzky University of Oldenburg, D-26111 Oldenburg, Germany

Abstract

In this paper, we show that Cardano’s formula for the solution of cubic equations can be reduced to expressions involving only square roots of rational numbers if the real root itself is rational.
MSC: 01A40

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Article Details

Pfeifer, D. (2024). A note on Cardano’s formula. Annals of Mathematics and Physics, 7(1), 064–066. https://doi.org/10.17352/amp.000107
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Copyright (c) 2024 Pfeifer D.

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