Higher geometry; an introduction to advanced methods in analytic geometry (1922)
Woods, Frederick S. (Frederick Shenstone), 1864- · Boston, New York, Ginn and Company · leaf 339
r-sects each of the axes of thefirst two. The axes lie, there-fore, as in Fig. 58. The seriesconsists, therefore, of two pen-cils of lines: one lying in theplane of a and c, with its vertex at F, the point of intersectionof b and c; the other lying in the plane of b and e, with its vertexat F, the… … Fig. 58 LINE COOKDINATES 327 We have then taken to define the series three complexes ofwhich two are special with intersecting axes, and the third is non-special and contains the axis of the other two. If a and b are the two axes of the special complexes, F theirpoint of intersection, and m their…
Geometry, Analytic
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