Analytic geometry and principles of algebra (1913)
Ziwet, Alexander, 1853-1928, Hopkins, Louis Allen, joint author, Hedrick, E. R. (Earle Raymond), 1876-1943 · New York, The Macmillan Company · leaf 362
Fig. 148 Thus every hyperboloid of one sheet contains two sets of recti-linear generators (Fig. 148). XVT. § 379] QUADRIC SURFACES 349 379. Rulings on a Hyperbolic Paraboloid. l\iv liypcibolicparaboloid (Fig. 149) also contains t?vo sets of recti-linear generators, iiamelv, •2! + y = A-.2c-2, f-ll… … Fn^. 14U EXERCISES 1. Derive the equation of the tanuent plane to : (a) the elliptic paraboloid ; (h) the hyperbolic paraboloid ;(c) the elliptic cone. 2. The line perpendicular to a tangent plane at a point of contact iscalled the normal line. Write the equations of the taniient planes andnormal…
Geometry, Analytic
Internet Archive · Public Domain Mark 1.0. Free to use for anything.
