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October 21, 2014

October 21, 2014

Posted by **Jaimie** on Saturday, August 14, 2010 at 12:04pm.

How would you solve that by using algebra?

I can simplify the above because it is difference of squares. But then what about the bottom

- Math -
**bobpursley**, Saturday, August 14, 2010 at 12:37pmjust multipy numerator and denominator by 1/x^2

lim (x^2/x^2 -1/x^2)/(x^2/x^2+1/x^20=

lim (1-1/x^2)/(1+1/x^2)=1

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