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Thomson cubic

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The Thomson cubic (black curve) contains the point X whose isogonal conjugate (X') is on the line X(2)-X.

In geometry, the Thomson cubic of a triangle is the locus of centers of circumconics whose normals at the vertices are concurrent.

See also

Cubic plane curve § Thomson cubic

References

Weisstein, Eric W. "Thomson cubic". MathWorld.
Viktor Vasilʹevich Prasolov: Essays on numbers and figures. AMS, 2000, ISBN 9780821819449, p. 73

External links

K002 (Thomson cubic) at Cubics in the Triangle Plane

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Curves defined for a triangle

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