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Prove: O,K,L,M,N are concyclic (5-point circle)
Author:
johnmayhk
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Parabola with real roots
Bezier Approximation, 2
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chord and tangent
Raaklijn aan een parabool?
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Post shadow, lamp in front
testfileThu Sep 20 01:16:10 CEST 20180.09395304122284143
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رسم الخط المستقيم
