Latus rectum: Verskil tussen weergawes
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Uitleg van bronteks |
Uitleg van bronteks |
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Lyn 22:
:<math>r=\frac{\ell}{1+\varepsilon \cos(\phi)}</math>
== Verwysings ==
{{Verwysings}}
== Eksterne skakels ==
* {{MathWorld | urlname=ConicSectionDirectrix | title=Conic Section Directrix}}
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