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Condition for a Line to Lie Outside the Ellipse
For:
$$lx+my+n=0$$
to have no real point of intersection with the ellipse:
$$n^2>a^2l^2+b^2m^2$$
Usage
- Used to determine whether a line completely misses the ellipse.
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Condition for a Line to Lie Outside the Ellipse
For:
$$lx+my+n=0$$
to have no real point of intersection with the ellipse:
$$n^2>a^2l^2+b^2m^2$$
Usage
- Used to determine whether a line completely misses the ellipse.
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