What happens if you just type x^2/x ?

On Tue, Mar 21, 2017 at 3:35 PM Aaron Tresham <[email protected]> wrote:

> Does anyone know if there is a similar group to discuss issues with
> Maxima? (I think that's where my problem lies).
>
> When I do something like:
>
> solve(x^2/x==0,x)
>
> I expect no solutions, but Sage gives me one solution, x==0. I'm assuming
> Sage uses Maxima here, and Maxima simplifies the fraction before solving
> (and fails to check afterwards). I can catch things like this myself, but
> I'm not sure my students would notice (especially if a hole is hidden
> inside a complicated rational function).
>
> Thanks,
> Aaron
>
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-- 

Best Regards,
William Stein

CEO, SageMath, Inc.

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