CAS problem with solution

[salvomic]

(03-05-2015 08:31 AM)parisse Wrote:  I'm going to fix that before the end of the week in Xcas.

always thank you!

Quote:It was never spotted before because nobody tried limit with the difference of two square roots of perfect squares.

so, thanks to Teresa for having found it...

It works with "i" checked in the CAS Settings: what's, precisely, the difference with "i" checked or not, please?

Salvo