The equation of the circle whose diameter is the common chord of the circle x^2 + y^2 + 3x + 2y + 1 = 0
The equation of the circle whose diameter is the common chord of the circle x2 + y2 + 3x + 2y + 1 = 0 and x2 + y2 + 3x + 4y + 2 = 0 is
(1) x2 + y2 + 8x + 10y + 2 = 0
(2) x2 + y2 + 5x + 4y + 7 = 0
(3) 2x2 + 2y2 + 6x + 2y + 1 = 0
(4) None of these
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