MathFeed
@mathfeed
New! Math news aggregator: newspapers, blogs, videos, Amer. Math. Monthly, more. Get free iPhone/iPad app for more features. By Francis Su @mathyawp
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http://bit.ly/mathfeed 01-07-2016 04:50:04
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Equation of an ellipse or hyperbola through five points johndcook.com/blog/2023/06/1… (by John D. Cook)