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Question

Which point on x-axis is equidistant from the points A(7, 6) and B(−3, 4)?
(a) (0, 4) (b) (−4, 0) (c) (3, 0) (d) (0, 3)

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Solution

Let P(x, 0) be the point on x-axis. Then as per the question
AP=BPAP2=BP2x-72+0-62=x+32+0-42x2-14x+49+36=x2+6x+9+1660=20xx=6020=3
Thus, the required point is (3, 0).
Hence, the correct answer is option (c).

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