Question
Find the equation if a point P(x, y) is equidistant from
A(7, 3) and B(-3, 7).Solution
ATQ, Using the distance formula, 
Squaring both sides and simplifying, 
Cancelling x2 and y2
−14x−6y+58=6x−14y+58 −14x−6y−6x+14y=0 −20x+8y=0 5x−2y=0 Hence, solution is 5x = 2y
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