Higher geometry; an introduction to advanced methods in analytic geometry (1922)
Woods, Frederick S. (Frederick Shenstone), 1864- · Boston, New York, Ginn and Company · leaf 110
Fig. 29 px\=axx„ pxt = a.,x„, (6) where, by § 41, a^ a^ «3. The two conies (4) and (5) intersect in four distinct points, asis easily proved. … LINEAR TRANSFORMATIONS 97 Type II. There are two common poles A and C (Fig. 30)and two common polars AC and BC. The point C must be thepole of one of the lines AC and BCwhich pass through it, and henceC lies on the two conies. But Ccannot be the pole of BC, for, ifit were, A would be the pole ofAC,…
Geometry, Analytic
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