Let , , , , and be five points determining a conic. Then the conic is the locus of the point
where is a line through the point .
Let , , , , and be five points determining a conic. Then the conic is the locus of the point
where is a line through the point .
Weisstein, Eric W. "Braikenridge-Maclaurin Construction." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/Braikenridge-MaclaurinConstruction.html