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[" 12."lim(x rarr0)(x sqrt(y^(2)-(y-x)^(...

[" 12."lim_(x rarr0)(x sqrt(y^(2)-(y-x)^(2)))/((sqrt(8xy-4x^(2))+sqrt(8xy))^(3))" is equal to :- "],[[" (A) "(1)/(4)," (B) "(1)/(2)," (C) "(1)/(2sqrt(2))," (D) "(1)/(128y)]]

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