Elements of analytical geometry and of the differential and integral calculus (1866)
Davies, Charles, 1798-1876 · New York, Barnes & Co. · leaf 192
the co-ordinate plane ZX^ with the coefficient of s in theequation of the trace (7Z>, we find, that their product plusunity is equal to 0; hence, the lines are at right angles toeach other. The same may be shown for the trace ^2>,and the projection of the line on the plane YZ, and alsofor the… … EXAMPLES. 1. Find the traces of a plane whose equation is, 2 — 92/ + 11a; — 12 = ,0. 2. Find the traces of a plane perpendicular to a line,whose equations are, a; = 32 + 5, and y = — 2z — 4, 192 ANALYTICAL GEOMETKY. [bOOK VI. 3. Find the traces of a plane whose equation is,2x — 3y — z = 0. SURFACES…
Geometry, Analytic · Calculus
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