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 114
than the major axis, describe two arcs aboveand below the major axis, then with the other focus as Analytical Geometry. i°5 centre and a radius equal to the difference between themajor axis and the first radius, describe intersecting arcs.These points of intersection will be points on the ellipse,… … Fig. 39. As in Fig. 39 let AA be the major axis, F and F thefoci. Taking, say, AB as radius and F as centre describearcs m and mf. Then taking AB as radius, and F as centre describearcs n and n\ their intersections R and S will be points onthe ellipse. Taking any desired number of points as C, D,…
Geometry, Analytic · Calculus
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