[Maxima] simplification of (4-4*x^2)*sqrt(1-x^2)
talon at lpthe.jussieu.fr
Mon Jul 13 10:06:49 CDT 2009
Barton Willis wrote:
> My understanding of Maple is poor, but I tried a few experiments with
> Maple 10. OK:
> simplify((a*x^2-a) * sqrt(1-x^2)) --> -a * (1-x^2)^(3/2),
> OK, but...
> simplify(42 + (a*x^2-a) * sqrt(1-x^2)) --> 42+(1-x^2)^
> For a naive Maple user (me), 42 + (a*x^2-a) * sqrt(1-x^2)) doesn't
> automatically simplify to 42 - a * (1-x^2)^(3/2).
simplify(expr, radical, symbolic)
does fancy things in maple with radicals.
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