Points (2, 1) and (1, -2) are equidistant from point (x, y) then:
(A) x = y
(B) x = – 4y
(C) x + 3y = 0
(D) x + y = 0
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3/2 =x
-1/2 =y
hence answer is C
-1/2 =y
hence answer is C
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