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Relation Between Semi-Axes and Focal Distance
$$c^2=a^2-b^2$$
Terminology
- $$c$$ → Distance of each focus from the centre.
Usage
- Used to determine the focal distance when $$a$$ and $$b$$ are known.
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Relation Between Semi-Axes and Focal Distance
$$c^2=a^2-b^2$$
Terminology
- $$c$$ → Distance of each focus from the centre.
Usage
- Used to determine the focal distance when $$a$$ and $$b$$ are known.
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