Condition for a Line to Cut the Ellipse
For:
$$lx+my+n=0$$
to intersect the ellipse at two distinct points:
$$n^2<a^2l^2+b^2m^2$$
Usage
- Used to determine whether a line is a secant.
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CAT Formulas
Ellipse
Condition for a Line to Cut the Ellipse
Condition for a Line to Cut the Ellipse
For:
$$lx+my+n=0$$
to intersect the ellipse at two distinct points:
$$n^2<a^2l^2+b^2m^2$$
Usage
- Used to determine whether a line is a secant.
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