clintmyster
Prophet 9 FTW
- Joined
- Nov 12, 2007
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- HSC
- 2009
- Uni Grad
- 2015
Show by substitution that the chord of contact from the point (-5,2) to the parabola y^2 = 20x is a focal chord. Why is it so?
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Quick Parametrics Question (1 Viewer)
- Thread starter clintmyster
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