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Directrix-Focus Distance
For a horizontal hyperbola, the distance from the centre to either directrix is:
$$\frac{a}{e}$$
Usage
- Used to locate the directrices when eccentricity is known.
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Directrix-Focus Distance
For a horizontal hyperbola, the distance from the centre to either directrix is:
$$\frac{a}{e}$$
Usage
- Used to locate the directrices when eccentricity is known.
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