Plane and solid analytic geometry; an elementary textbook (1901)
Ashton, Charles H. (Charles Hamilton), 1866- · New York, C. Scribner's sons · leaf 179
—X 9 Fig. 88. Ch. XII, | POLES AND POLARS 161 Let the coordinates of the point P2 where CPX cuts thehyperbola be (xvy^). Then the equation of the tangent 2 b2x2x — a2y2y = a2b\ and the equation of the polar of P1 isb2xxx — a2yxy = a2b2.But since Px and P2 are on the same line through theorigin, -i…
Geometry, Analytic
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