[" 1.Equation "x^(2)-2x-2y+5=0" represen...

[" 1.Equation "x^(2)-2x-2y+5=0" represents "],[[" (A) a circle with centre "(1,1)," (B) a parabola with vertex "(1,2)],[" (C) a parabola with directrix "y=5/2," (D) a parabola with directrix "y=-1/3]]

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