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Let L=lim(xto0)(a-sqrt(a^(2)-x^(2))-(x^(...

Let `L=lim_(xto0)(a-sqrt(a^(2)-x^(2))-(x^(2))/4)/(x^(4)),agt0`. If L is finite then

A

a=2

B

a=1

C

`L= 1/64`

D

`L= 1/32` .

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