The Fundamental Theorem of Algebra via Real Polynomials

Laurentiu Paunescu and Daniel Daners
The American Mathematical Monthly 130(8), 2023, p. 727
Original article at doi:10.1080/00029890.2023.2230811

Abstract

We give an elementary proof of the Fundamental Theorem of Algebra by considering a polynomial with real coefficients.

AMS Subject Classification (2020): 30C15 (12D05 30C10)

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Daniel Daners, Sydney Mathematics & Statistics