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lim (√(1+x)-√(1-x)) x-->0 x
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by shalenek at January 20, 2011

The limit as x approaches 0 , and the square root of 1+x subtracted by the square root of 1-x , all divided by x

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Shalenek -This is actually pretty easy ... since the limit right now is 0/0, just use L'Hopital's Rule and all will be good

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Steve204 January 20, 2011