Analytic geometry, for technical schools and colleges (1897)
Lambert, Preston Albert, 1862-1925 · New York, Macmillan · leaf 207
irs of valuesof a and b satisfying the equa-tion F(x — az, y—bz) = 0 therecorresponds the generatrix in allpositions while generating theconical surface. To obtain theequation of the conical surfacein terms of the coordinates ofany point (x, y, z) of the surface,substitute in F(x — az, y — bz)= 0… … Problems. — 1. Find the equation of the surface of the right circularcone whose axis coincides with the Z-axis, vertex at a distance c from tlieorigin. 2. Find the equation of the conical surface directrix ^ + l^= 1, ver-tex (5, 2, 1). 3. Find the equation of the conical surface vertex (0, 0, 10),…
Geometry, Analytic
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