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Determination of the Focus and Directrix of a Parabola whose Equation is Given With Numerical Coefficients

Published online by Cambridge University Press:  03 November 2016

Lawrence Crawford
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Extract

I. In a note in the Mathematical Gazette, February 1934, pp. 43–46, I gave a method for determining the foci, etc., of a conic in general and showed that the method could be applied to the parabola. A direct solution for the parabola can, however, be put down more quickly.

Type
Research Article
Information
The Mathematical Gazette , Volume 19 , Issue 233 , May 1935 , pp. 87 - 89
Copyright
Copyright © Mathematical Association 1935

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