Principles of geometry

Principles of geometry

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Notes and Examples 247 touch these conics respectively; in general there is a circumscribed triangle of each of these ... these form an aggregate of class (ma€”r +1, ma€”ka€”-1), that is (3, 1), or 3, namely a. cubic developable; every plane of this is a face of one of the involution of pentads. ... of lines in the space, project from an arbitrary point of the curve, into tangents of a conic (see the note referred to, Proc.

Title:Principles of geometry
Author:Henry Frederick Baker
Publisher: - 1940


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