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[" 2.Let "L=lim(x rarr0)(a-sqrt(a^(2)-x^...

[" 2.Let "L=lim_(x rarr0)(a-sqrt(a^(2)-x^(2))-(x^(2))/(4))/(x^(4)),a>0," If "L" is finite,"],[" then "],[[" (A) "a=2," (B) "a=1],[" (C) "L=(1)/(64)," (D) "L=(1)/(32)]]

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