Plane and solid analytic geometry; an elementary textbook (1905)
Ashton, Charles H. (Charles Hamilton), 1866- · New York, C. Scribner's Sons · leaf 172
—. Connect BA -\- BC these results with harmonic progression in algebra by show-ing that AC is 0, harmonic mean between AB and AB. 154 Ch. XII, § 84] rOLES AND rOLARS 155 84. Polar of a point. — The polar of a point with respectto any conic is defined as the locus of points ivhich… … Fig. 85. coordinates. The same method might be employed here,but it is thought best to use a very similar one, intowhich, however, polar coordinates do not enter. We shall find the polar of the point F^ with respect tothe ellipse j,^^^y^^.j.. Transform to the point P^ as origin by the aid of the…
Geometry, Analytic
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