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Coordinate geometry

A moving point P is such that the lenght of the tangent from P to the circle x^2+y^2=16 is equal to the distance of P from the point (8,8). Show that the locus of P is the straight line x+y=9.
Question asked by: jiaqing

Asked on: 04 May 2009

Maybe worth posting this in the maths club!
By: knowitall
Replied at: 26 May 2009
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geometry  coordinate  

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