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 149
same centresand KP as radius, describe intersecting arcs at G, H, Gand H. The intersections will be points on the ellipse forthe radii LP — KP = LK = AA. The same processwith points R, S, T, etc., will give as many points as desired.A smooth curve through these points will be the hyperbola. 140… … Fig. 53- Its equation is readily found to be a2y2 - b2x2 = a2b2. Art. 102. If the equations of two conjugate diametersbe combined with the equation to the original hyperbola,it will be found that the results will be imaginary for oneof the diameters, showing that both diameters do nottouch the…
Geometry, Analytic · Calculus
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