An elementary treatise on coordinate geometry of three dimensions (1912)
Bell, Robert J. T. (Robert John Tainsh), 1877-1963 · London : Macmillan and co., limited · leaf 84
gh the point given by ~-*- = 2&c£, ^- = -leak, -.y- = :2aM. Prove also that the eq nations to theox oy oz s.D. of AB and OC are d<f> ■.2aU; c£± = b?q da and that the 8.D. oz da i y passes through the point of concurrence of the perpendiculars. 50. Problems relating to two non-intersecting… … Pig. 25. I. Rectangular axes. Let AB. AB, (fig. 25), be the lines.and let CC, length 2c, be the shortest distance betweenthem. Take the axis of z along cc. and O the mid-point 62 COORDINATE GEOMETRY [ch. hi. of CC as origin. Draw OP, OQ parallel to AB, AB, andtake the plane POQ as the plane c = 0.…
Geometry, Analytic
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