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Topic: Cross Ratio of corresponding points of intersection in two pencils.
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Narasimham

Posts: 350
Registered: 9/16/06
Cross Ratio of corresponding points of intersection in two pencils.
Posted: Jul 13, 2013 10:35 AM
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Rectangle ABCD (sides AB, BC, lengths = p and q), side CD is extended back by length c to point 0. BC is divided into n equal parts and points of division connected to O. Likewise DC is divided into n equal parts and connected to B. I terms of p,q and c what is the cross-ratio of the hyperbola formed by intersection of corresponding points in pencils vertexed at B and O?

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Narasimham



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