Plane and solid analytic geometry; an elementary textbook (1905)
Ashton, Charles H. (Charles Hamilton), 1866- · New York, C. Scribner's Sons · leaf 265
imit as the cutting plane recedesfrom the X-y-plane in either direction. We have now sufficient information to draw the figure. It is instructive, however, to investigate the plane sec-tions parallel to the other two coordinate planes. 248 ANALYTIC GEOMETRY OF SPACE [Ch. V, § 29 The section made by… … Fig. 16. semi-axes both approach zero, and the hyperbola approachesa pair of intersecting lines. When x-^ = a, the section istlie pair of straight lines, f- = 0, in the plane x = a, intersecting on the X-axis. When x^ > a, the equationagain represents an hyperbola, but the transverse axis isnow…
Geometry, Analytic
Internet Archive · Boston Library Consortium · Public Domain Mark 1.0. Free to use for anything.
