If the distances of P(x, y) from A(5, 1) and B(-1, 5) are equal
Coordinate Geometry (10)If the distances of P(x, y) from A(5, 1) and B(-1, 5) are equal, then prove that 3x = 2y.
Answer
PA2 = PB2
(x - 5)2 + (y - 1)2 = (x + 1)2 + (y - 5)2
12x = 8y
3x = 2y
Exam Year:
2017
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