Directrices of a Vertical Hyperbola
For:
$$\frac{y^2}{a^2}-\frac{x^2}{b^2}=1$$
the directrices are:
$$y=\pm\frac{a}{e}$$
Usage
- Used when the transverse axis is along the $$y$$-axis.
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CAT Formulas
Hyperbola
Directrices of a Vertical Hyperbola
Directrices of a Vertical Hyperbola
For:
$$\frac{y^2}{a^2}-\frac{x^2}{b^2}=1$$
the directrices are:
$$y=\pm\frac{a}{e}$$
Usage
- Used when the transverse axis is along the $$y$$-axis.
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