Equation of a Focal Chord
For endpoints corresponding to parameters $$t_1,t_2$$ with:
$$t_1t_2=-1$$
the chord equation is:
$$y(t_1+t_2)=2x-2a$$
Usage
- Used to obtain the equation of a focal chord from its endpoint parameters.
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CAT Formulas
Parabola
Equation of a Focal Chord
Equation of a Focal Chord
For endpoints corresponding to parameters $$t_1,t_2$$ with:
$$t_1t_2=-1$$
the chord equation is:
$$y(t_1+t_2)=2x-2a$$
Usage
- Used to obtain the equation of a focal chord from its endpoint parameters.
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