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[Q] error in Integrate

• To: mathgroup at smc.vnet.net
• Subject: [mg8750] [Q] error in Integrate
• From: Denis Barbier <barbier at cmapx.polytechnique.fr>
• Date: Sat, 20 Sep 1997 22:28:15 -0400
• Organization: Acces regional Ile-de-France (Univ. Paris VI/VII) - France
• Sender: owner-wri-mathgroup at wolfram.com

Hi,

with Mma 2.2,
Integrate[Integrate[ Sqrt[x-y]^2,{x,0,1}],{y,0,1}]

gives 0, which is obviously wrong.

Am i missing something ?
Is there a package or something else i could load to correct this result ?
(theoretical result is 1/3)

Thanks in advance.

   Denis