Loney, S. L. (Sidney Luxton), 1860-1939 · London, Macmillan and co. · leaf 154
(x-^, y^. We see therefore that the polar might have beendefined as follows: The polar of a given point is the straight line whichpasses through the (real or imaginary) points of contact oftangents drawn from the given point; also the pole of anystraight line is the point of intersection of…
Coordinates · Geometry, Analytic
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