Given a Polynomial of degree with roots , , ..., and a Polynomial of degree
with roots , , ..., , the resultant is defined by
See also Discriminant (Polynomial), Sylvester Matrix
References
Pohst, M. and Zassenhaus, H. Algorithmic Algebraic Number Theory.
Cambridge, England: Cambridge University Press, 1989.
Wagon, S. Mathematica in Action. New York: W. H. Freeman, p. 348, 1991.