Smart, Edward Howard · London : Macmillian and Co. · leaf 278
be ob-tained and the conic constructedby tangents. … Ex. 1. (a) To construct a conicu-iven four points and the tangentat one of them. Fig. 1266. 8 4. The particular cases of Pascals and Brianchons theorems are of service in solving such problems as the following: (6) To construct a conic givenfour tangents and the point ofcontact of one of them. It…
Geometry, Projective
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