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December 22, 2014

December 22, 2014

Posted by **anoynomous** on Wednesday, April 3, 2013 at 12:14pm.

- maths-conic sections -
**Steve**, Wednesday, April 3, 2013 at 3:57pmI think you have a mistake. An hyperbola has two directrices, and they are always slanted if the focus is on an axis. You must mean a parabola.

Nope, that is also bogus. A parabola has no center, and the focus cannot lie on the directrix.

Better clean up your problem.

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