The equation of the circle whose diameter is the common chord of the circles; $x^2+y^2+3x+2y+1=0$ & $x^2+y^2+3x+4y+2=0$ is?
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The equation of the circle whose diameter is the common chord of the circles; $x^2+y^2+3x+2y+1=0$ & $x^2+y^2+3x+4y+2=0$ is?