Limit as x goes to negative infinity
(Last part is raised to the -2 power not minus 2)
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Originally Posted by NRS11 Limit as x goes to negative infinity
(Last part is raised to the -2 power not minus 2) like this?
Last edited by bigwave; Jan 11th 2010 at 04:23 PM.
The top one that you mentioned. It is NOT the fraction one.
they are both the same thing
the 2nd is easier to work with
The key is to know that for is as
Now, in your limit put so the limit equals so for large is and the squeeze theorem finishes the problem.
is simply a bell-shaped curve with a maximum of 1 at x=0.
As x approaches + or -infinity, f(x) rapidly goes to zero.
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