find the point on the x axis which is equidistant from (2,-5)and(-2,9)
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COORDINATE GEOMETRY PROBLEM SOLVING !
As we know that a point on x-axis is of the form ( x , 0 ).
So, let P( x , 0 ) be the point which is equidistant from A ( 2, -5 ) and B ( -2 ,9 ).
PA = PB
√(x-2)² + ( 0+5 )² = √(x+2)² + (0-9)²
(x-2)² + 25 = (x+2)² + 81
x² - 4x + 4 + 25 = x² + 4x + 4 + 81
-8x = 56
x = -7
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