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Direct linkMcGivney, Ray; McKim, Jim – AMATYC Review, 2006
Interesting problems sometimes have surprising sources. In this paper we take an innocent looking problem from a calculus book and rediscover the radical axis of classical geometry. For intersecting circles the radical axis is the line through the two points of intersection. For nonintersecting, nonconcentric circles, the radical axis still…
Descriptors: Geometry, Calculus, Mathematics Instruction, College Mathematics
