Smart, Edward Howard · London : Macmillian and Co. · leaf 197
TIES 169 Note 1. The proof applies equally when the tangents bothtouch the same branch of the hyperbola. Note 2. § 2 is the particular case of this theorem when Tis on the curve. Ex. What does this property become for the parabola ? § 6. Prop. In a central conic, if N, G be the feet of theordinate…
Geometry, Projective
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