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[" 27.The line "y=x+lambda" is tangent t...

[" 27.The line "y=x+lambda" is tangent to the ellipse "2x^(2)+3y^(2)=1" .Then "lambda" is "],[[" (A) "-2," (B) "1],[" (C) "sqrt((5)/(6))," (D) "sqrt((2)/(3))]]

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