Martin Rubey <martin.ru...@math.uni-hannover.de> writes:

> I did not want to say that sqrt(a*b)=sqrt(a)*sqrt(b) is always good
> behaviour, but there are circumstances where you want it.  Eg., it
> seems that it's necessary for symbolic integration, where you are
> really working in a differential field.

I should have added: Waldek Hebisch is the expert here...

Martin


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