Pivotal Isotomic Cubic

Author

Eric W. Weisstein
December 24, 2004

This notebook downloaded from http://mathworld.wolfram.com/notebooks/PlaneGeometry/PivotalIsotomicCubic.nb.

For more information, see Eric's MathWorld entry http://mathworld.wolfram.com/PivotalIsotomicCubic.html.

©2005 Wolfram Research, Inc. except for portions noted otherwise

Equation

IsotomicConjugate[{α,β,γ}]

eqn=Numerator[Factor[Det[{{x,y,z},{α,β,γ},IsotomicConjugate[{α,β,γ}]}]]]

Factor[Coefficient[eqn,#]&/@{α,β,γ}]