Looks like a bug to me.

On 22 November 2014 at 07:55, Thomas Baruchel <[email protected]> wrote:

> Hi,
>
> I am really new to Axiom. I downloaded it in order to try it with the
> following
> integral. I have here three commands (see below):
>   * definite integral between 0 and 1
>   * symbolic integration
>   * derivative of previous output (which doesn't match my input)
>
> What am I doing wrong? Best regards, tb.
>
> integrate((16*x^14-125*x^10+150*x^6+375*x^2)/(256*x^16+480*x^12+1025*x^8+750*x^4
> +625),x=0..1)
>
>          5
>    (1)  --
>         77
>                   Type: Union(f1: OrderedCompletion(Expression(
> Integer)),...)
> (2) -> 
> integrate((16*x^14-125*x^10+150*x^6+375*x^2)/(256*x^16+480*x^12+1025*x^8+750*x^4
> +625),x)
>
>                7      3
>              5x  + 35x
>    (2)  -------------------
>             8       4
>         176x  + 165x  + 275
>                                          Type:
> Union(Expression(Integer),...)
> (3) -> D( (5*x^7+35*x^3)/(176*x^8+165*x^4+275) ,x)
>
>                   14        10       6        2
>              - 80x   - 2575x   + 350x  + 2625x
>    (3)  -------------------------------------------
>              16        12         8        4
>         2816x   + 5280x   + 11275x  + 8250x  + 6875
>                                           Type:
> Fraction(Polynomial(Integer))
>
>
> --
> Thomas Baruchel
>
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