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Condition for Real Perpendicular Tangents
The director circle:
$$x^2+y^2=a^2-b^2$$
represents real points only when:
$$a>b$$
Usage
- Used to determine whether real perpendicular tangents are possible.
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Condition for Real Perpendicular Tangents
The director circle:
$$x^2+y^2=a^2-b^2$$
represents real points only when:
$$a>b$$
Usage
- Used to determine whether real perpendicular tangents are possible.
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