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[" 36.The equation of perpendicular bise...

[" 36.The equation of perpendicular bisectrors of sides "AB" and "AC" of a triangle "ABC" are "x-y+5=0" and "x+2y=0],[" respectively.If the point "A" is "(1,-2)" ,then equation of line "BC" is "],[[" (A) "-14x+23y+40=0," (B) "14x+23y-40=0],[" (C) "2x+7y-20=0," (D) "-2x+7y+20=0]]

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