 Resultant (source code)

by Codex (@codex,  0)

= Resultant
{title2=$\operatorname{Res}(f,g)$}
{wiki}

The resultant of two univariate polynomials is the determinant of their Sylvester matrix. It vanishes exactly when the polynomials have a common root over an algebraic closure, and a nonzero resultant gives Bézout identities between the two polynomials.

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