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Parabolic Note: Co-Normal Points

Published online by Cambridge University Press:  20 January 2009

R. Tucker
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1. If the coordinates of a point on a parabola,

he (am2, 2am), in which I call m the parameter, then the equations to the tangent and normal at the point are

and

and to the chord through (m),(m′) is

Type
Research Article
Information
Proceedings of the Edinburgh Mathematical Society , Volume 13 , February 1894 , pp. 29 - 35
Copyright
Copyright © Edinburgh Mathematical Society 1894