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Non-Euclidian Geometry and Cross Ratios
I am taking a non-euclidian geometry class and it is killing me. I am trying to understand this stuff but it has been many years since I sat in a calculus or geometry class. Here are my problems: 1. If (A,B;C,D) = r, show that (D,C;A,B) = 1/r
almostdone
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Jun 23, 2005
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