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[" 5.The equation "x^(2)+2sqrt(2)xy+2y^(...

[" 5.The equation "x^(2)+2sqrt(2)xy+2y^(2)+4x+4sqrt(2)y+1=0],[" represents a pair of lines.The distance between them "],[" is: "],[[" (a) "4," (b) "(4)/(sqrt(3))],[" (c) "2," (d) "(2)/(sqrt(3))],[" The point of intersection of the two lines civen hy."]]

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