Definition:Hyperbola/Major Axis

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Parts of Hyperbola



Consider a hyperbola $K$ whose foci are $F_1$ and $F_2$.

The major axis of $K$ is the straight line passing through both of the foci of $K$.

Also defined as

Many sources define the major axis of a hyperbola to be the same as the transverse axis, but it is considered at $\mathsf{Pr} \infty \mathsf{fWiki}$ that it is more convenient for different names to define different concepts.

Also see

Linguistic Note

The plural of axis is axes, which is pronounced ax-eez not ax-iz.

Compare basis.