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
xtremities in two fixed lines at right angles with each other, whileit passes through a fixed point. Sugs. —Take the fixed fines as axes of refer-ence. Let O ]3e the fixed point, and C B theline, the locus of whose centre, P, is to be de-termined. Calling AD «, and OD &, theequation of the… … Fig. 57. 6. Required the locus of the point P,moving so that P D , bears a constantratio to A D X D B ; A and B beingfixed points. What isthis ratio is 1 ? andthe locus when
Geometry, Analytic · Calculus
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