Analytic geometry, for technical schools and colleges (1897)
Lambert, Preston Albert, 1862-1925 · New York, Macmillan · leaf 186
^^^the number expressing the dis- ___tance. The interpretation ofthese signs is indicated in thefigure. If the distance anddirection of the point from theyZ-plane is given, x — a, the ^- * point must lie in a determinate plane parallel to the JZ-plane.If the distance and direction of the point from… … 172 ANALYTIC GEOMETRY FZ-plane, the other to the XZ-plane, and therefore the pointmust lie iu a determinate straight line parallel to the Z-axis.If the distance and direction of the point from the XF-plane2; = c is also given, the point must lie in a determinate planeparallel to the XF-plaue and in…
Geometry, Analytic
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