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 156
the triangle, for example, A. Any such line y = iiz meets thecurve where If /x be positive, this gives two real values for x : z, positive and negative ;if jji be negative, = — v, the equation is x-*-vxh^- + vh* = 0.This gives four real values for x: z, if v-iv^ be positive; that is,if V < J.… … Fin. 34. The curve is therefore as represented in Fig. 34, where as in Fig. 33the shaded portions are those that are obviously excluded by the formof the equation. For an accurate diagram, the lines s=—4?/, j= ±.7v8must be inserted by the process of § 46. Ex. 3. The curve ;r(.r2 —45-) = ?/(?/--f-)…
Geometry, Analytic -- Plane
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