On 11 Lis, 22:21, Robert Samal <[EMAIL PROTECTED]> wrote:
> Hi Minh,
>
> > I think this issue has been fixed in sage-3.1.4. Under sage-3.1.4, the
> > command
>
> > sage: lim ( x*(sqrt(x^2)-sqrt(x))/sqrt(x^2 -x), x=oo)
> > +Infinity
>
> > returns what you'd expect.
>
> That's great news, perhaps I should update more frequently.
> By any chance, does somebody know what was the issue?
I have the same incorrect answer from maxima 5.13. Some bugs in limits
have been fixed in maxima recently. The new maxima has been probably
installed into sage.
>
> Not only am I curious, but I'd also like to know, how much should
> I rely on results I get from sage in future.
I never trust anything computed using any CAS. :-)
I use maxima or maple or sage frequently and I have always in my mind
that the answers could be incorrect.
Robert Marik
>
> Thanks,
> Robert
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