We give a self-contained proof that the nullity of the Bezoutian matrix associated with a pair of polynomials f and g equals the number of their common zeros counting multiplicities.
Elemente der Mathematik
Required Publisher's Statement
Copyright by the European Mathematical Society
This is the author’s version of the article, the published journal version can be found at doi:10.4171/EM/243. http://www.ems-ph.org/journals/show_abstract.php?issn=0013-6018&vol=69&iss=1&rank=6
Ćurgus, Branko and Dijksma, Aad, "A Proof of the Main Theorem on Bezoutians" (2014). Mathematics. 71.