A general geometry and calculus : including book I. of the general geometry, treating of loci in a plane; and an elementary course in the differential and integral calculus (1881)
Olney, Edward, 1827-1887 · New York : Sheldon and Co. · leaf 86
l part of the root. In the particular case in which a =0 ; i. e., when F is at A, the equation be-comes y^ -f- X := my, which is the equation of a circle passing through the origin,and having its centre on the axis of y. 4. In the given right Hnes A P, A Q, intersecting at right angles,are taken… … Sugs.—Let AP and AQ be taken as the axesof reference. Call A P = a, and AQ = 6. ThenAD =x, and RD =2/- ^rom the similar trian-gles RPD, 5PA, and RpD, QpA obtain therelation between x, y, a, and 5, This wiU be theequation sought. It is, when reduced, a\y—hYj^ l,i(^x — aY = «^?>^ — <^^^y-…
Geometry, Analytic · Calculus
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