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[" 2.Eccentricity of the ellipse "5x^(2)...

[" 2.Eccentricity of the ellipse "5x^(2)+6xy+5y^(2)=8" is "],[[" (A) "(1)/(sqrt(2))," (B) "(sqrt(3))/(2)," (C) "sqrt((2)/(3))" (D) "(1)/(sqrt(3))]]

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