An equation of the form

where the three Roots of the equation coincide (and are therefore real), i.e.,

*See also *Cubical Conic Section, Cubical Ellipse, Cubical Hyperbola, Cubical Parabolic Hyperbola,
Parabola, Semicubical Parabola

© 1996-9 *Eric W. Weisstein *

1999-05-25