You didn't tell us what x is approahing.  That's what's underneath the
word "lim".  If it says " x->0 "  that means x is approaching 0.  But if
it's approaching something else, say  there will be x->1/3   

 but    


If you like, you can tell me, or ask more questions about it
in the thank you note, and I'll respond to you by email.

Edwin


 

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