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1/x+2-1/2=2-x-2/2(x+2)=-x/2x+4 (-x/2x+4)/x=(-x/2x+4)*(1/x)=-1/2x+4 lim x--->0 (-1/2x+4)=-1/4

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(1) Answers

1/x+2-1/2=2-x-2/2(x+2)=-x/2x+4 (-x/2x+4)/x=(-x/2x+4)*(1/x)=-1/2x+4 lim x--->0 (-1/2x+4)=-1/4

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