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[" Axis of a parabola lies along "x" -axis.If its vertex and "],[" focus are at distances "2" and "4" respectively from the "],[" origin,on the positive "x" -axis then which of the "],[" following points does not lie on it? "],[[" (1) "(4,-4)," (2) "(5,2sqrt(6))],[" (3) "(8,6)," (4) "6,4sqrt(2)]]

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