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bicorn




bicorn
Bicorn with a = 1. Credit: Wikipedia
Also known as the cocked-hat, any of a collection of quartic curves studied by James Sylvester in 1864 and by Arthur Cayley in 1867. The bicorn has the Cartesian equation

y2(a2 - x2) = (x2 + 2ay - a)2



Related category

   • PLANE CURVES