On 6/2/2012 3:56 PM, David Billinghurst wrote:
> On 3/06/2012 1:56 AM, Raymond Toy wrote:
>> On 6/2/12 4:32 AM, Jaime Villate wrote:
>>> On 06/02/2012 05:28 AM, Raymond Toy wrote:
>>>> On 6/1/12 6:20 PM, Robert Dodier wrote:
>>>>> On 2012-06-01, ?????? ???????<bankov_dmitrii at mail.ru> wrote:
>>>>>
>>>>>> integrate(sin(a*x^3)/x, x, 0, +inf);
>>>>>> maxima result: 0;
>>>>>> correct result: %pi * abs(a) / 6 / a;
>>>>>
For what it is worth, Mathematica 8 gives
ConditionalExpression[(Pi*Abs[a])/(6*a), Element[a, Reals]]
So it insists that "a" is real.