I think it is true if three points is intersection of three line inside circle.
Let a triangle ABC inside circle D. IO=HN=GM=FL=EK=JP => O,N,M,N,K,P are on a ellipse
Profesor Fransico answer:
"This is apparently, look this another figure.
However, it was difficult to get a figure showing the point clearly not on the conic, and easy to deceive the eye.
Best regards,"
Bài viết đã được chỉnh sửa nội dung bởi khongghen: 28-06-2013 - 14:17