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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))]],[" Mark only one oval."]

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