Please show work
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factorize the denominator as (sqrx-1)(sqrx+1) then simplify and the limit is in front of you.........1/2
You can use l'hopital's rule, since you get 0/0 by direct substitution.
as long as the first limit is 0/0 or infinity/infinity
Therefore you get:
Last edited by Educated; Apr 14th 2013 at 10:58 PM.
Originally Posted by leonhart Please show work As MINOANMAN said, but let's do a quick substitution to make it look a bit nicer. Let . Then we have
That is a rather elegant solution.
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