ovals of Cassini
Definition of ovals of Cassini
: a curve that is the locus of points of the vertex of a triangle whose opposite side is fixed and the product of whose adjacent sides is a constant and that has the equation [(x + a)2 + y2] [(x − a)2 + y2] − k⁴ = 0 where k is the constant and a is one half the length of the fixed side
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Origin and Etymology of ovals of cassini
after G.D. Cassini †1712 French astronomer
First Known Use: 1837
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