An introductory account of certain modern ideas and methods in plane analytical geometry (1894)
Scott, Charlotte Angas, b. 1858 · London, New York : Macmillan and Co. · leaf 26
it is e(|ually de-termined by p, q, r: conse(|uently these two sets of (piantitiesmust be expressible in terms of one another. POINT AND LINE COORDINATES. 11 Let A (Fig. 6) be a^, /3j, y^ then «, = (), and therefore fromthe assigned equation of tlie line AFZ, ,7/3j + /iyi = 0. Fromthe figure, X… … Thus the coefficients in the ecjuation of the line in thesystem of point coordinates are linearly expressiljle in termsof the coordinates of the line in the system of line coordinates. 14. Tliis same Iesult may be expressed in a form sliglitlydifferent and more significant. Let a, /3, y be any…
Geometry, Analytic -- Plane
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