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On the line segment joining (1, 0) and (...

On the line segment joining (1, 0) and (3, 0) , an equilateral triangle is drawn having its vertex in the fourth quadrant. Then the radical center of the circles described on its sides. (a) `(3,-1/(sqrt(3)))` (b) `(3,-sqrt(3))` (c) `(2,-1/sqrt(3))` (d) `(2,-sqrt(3))`

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