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September 22, 2014

September 22, 2014

Posted by **Lisa** on Friday, May 23, 2008 at 4:09pm.

I'm so lost with what to do with limits...I tried to simplify the expression to lim x+lim -1/x, but from there I'm pretty dumbfounded.

If anybody could help me out I'd really appreciate it.

- calculus -
**Lisa**, Friday, May 23, 2008 at 4:10pmI guess symbols do not post, but it is just lim with (x->infinity) underneath

- calculus -
**Damon**, Friday, May 23, 2008 at 4:18pmYou are looking for the limit of

x^2 -1

-------

x

as x ---> oo

well when x is very large the numerator is x^2 and the one does not amount to a hill of beans so what you really have is

x^2

---

x

which is of course x

which goes to infinity as x goes to infinity

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