Updates:
Cc: [email protected]
Labels: Polynomial
Comment #2 on issue 2745 by [email protected]: should cancel expand exp?
http://code.google.com/p/sympy/issues/detail?id=2745
I think in general, we do want to expand the exponents, because sometimes
those can cancel too. So I would use something like use(eq, cancel,
level=2).
On the other hand, it might not do things correctly if it just naively
expands because terms in the exponent could expand in a non-trivial way.
Actually, there are a lot of problems with the Polys and exponential
generators.
Regarding the square roots, I think the only way to get good simplification
of those is to implement some good algebraic function algorithms, which is
a non-trivial task.
But maybe Mateusz has some other ideas about all this.
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