Two pairs of straight lines y^2+xy-12x^2=0, and ax^2+2hxy +by^2 =0 have one line in common then
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The vertex of an equilateral triangle is at (2,-1) and the side opposite to it has equation x+ y=2 then orthocenter of the triangle is
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The vertex of an equilateral triangle is at (2,-1) and the side opposite to it has equation x+ y=2 then orthocenter of the triangle is
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