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[" 11.Equation of common chord of the ci...

[" 11.Equation of common chord of the circle "],[x^(2)+y^(2)-2x-4y+1=0" and "x^(2)+y^(2)-10x+8y+25=0],[" is "],[[" (A) "2x-3y-6=0," (B) "2x+3y+6=0],[" (C) "x-2y-3=0," (D) none of these."]]

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