Analytic geometry, for technical schools and colleges (1897)
Lambert, Preston Albert, 1862-1925 · New York, Macmillan · leaf 205
s of aand 13 satisfying the equationF(a, 13) =0 there correspondsthe generatrix in all positions**■ ^^^- while generating the cylindri- cal surface. To obtain the equation of the cylindrical sur-face in terras of the coordinates of any point (.r, y, z) of thesurface, substitute in F{(z, /8)=0 the… … CURVED SURFACES 11)1 + ^ = 1. What does this equation become when elements are parallel6- ele- Problems. — 1. Find the equation of the right circular cylinder whosedirectrix is x- + y~ — f-, and axis the Z-axis. 2. TIic directrix of a cylinder is a circle in the Al-plane, center atorigin. The…
Geometry, Analytic
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