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Parabolic Note: Co-Normal Points

Published online by Cambridge University Press:  20 January 2009

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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
Copyright
Copyright © Edinburgh Mathematical Society 1894