Mathematics for engineering students, Analytical geometry and calculus (1907)
Keller, S. S. (Samuel Smith), 1867-1923, Knox, W. F., [from old catalog] joint author · New York : D. Van Nostrand company · leaf 97
-*7), w w 2 m 7^3v + m2x = pm2 + 2- (Nj, m) 88 Analytical Geometry. This equation being a cubic in m, three values of m willsatisfy it, hence through any point on the parabola threenormals can be drawn, having the three slopes given bythe three values of m. Art. 64. The following property of a… … Fig. 34- (a focal line), and a line drawn through the same pointparallel to the axis of the parabola. LM (Fig. 34) is a tangent to the parabola PON at P,intersecting the axis produced at L. Draw the focal line FP and PK || to the axis OX. ThenZLPF= ZMPK. By Art. 60, Cor., the tangent ^-intercept,…
Geometry, Analytic · Calculus
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
