>    sage: assume(x, 'real')
>    sage: limit((x^(1/x)-1)*sqrt(x), x=infinity)
>    +Infinity
>    sage: limit(((1/x)^x-1)/sqrt(x), x=0, dir='+')
>    +Infinity
>
>
Thanks.  In pure Maxima we get:

(%i3) limit((x^(1/x)-1)*sqrt(x),x,inf);
(%o3)                                 inf
(%i4) limit((x^(1/x)-1)*sqrt(x),x,0);
(%o4)                                 und
(%i5) limit((x^(1/x)-1)*sqrt(x),x,0,plus);
(%o5)                                  0
(%i6) limit((x^(1/x)-1)*sqrt(x),x,0,minus);
(%o6)                                 inf

>From what I understand, the first of these is wrong, maybe also the last 
(should it be infinity (complex infinity) instead?).


Interestingly, 

(%i7) domain:complex;
(%o7)                               complex
(%i10) limit((x^(1/x)-1)*sqrt(x),x,0,minus);

;;;
;;; Detected access to protected memory, also kwown as 'bus or segmentation 
fault'.
;;; Jumping to the outermost toplevel prompt

<lots of times>

Segmentation fault: 11

Robert, ever seen that one?  I also get this with 
sage: limit(((1/x)^x-1)/sqrt(x), x=0)

I've reported this at http://trac.sagemath.org/ticket/20452 - not at the 
Maxima tracker yet, I'm afraid.

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