racional ou irracional?

["Nicolau C. Saldanha" <nicolau@xxxxxxxxxxxxxx>]

Mensagem reenviada. []s, N.

---------- Forwarded message ----------
Date: Thu, 2 Mar 2000 18:09:39 -0300
From: owner-obm-l@mat.puc-rio.br
To: owner-obm-l@mat.puc-rio.br
Subject: BOUNCE obm-l@mat.puc-rio.br:    Non-member submission from [Rafael
    Avila de Espindola <ra003280@dcc.unicamp.br>]   

>From nicolau@mat.puc-rio.br  Thu Mar  2 18:09:28 2000
Received: from grande.dcc.unicamp.br (grande.dcc.unicamp.br [143.106.7.8])
	by matinta.mat.puc-rio.br (8.9.3/8.9.3) with ESMTP id SAA16689
	for <obm-l@mat.puc-rio.br>; Thu, 2 Mar 2000 18:09:26 -0300
Received: from amazonas.dcc.unicamp.br (amazonas.dcc.unicamp.br [143.106.7.11])
	by grande.dcc.unicamp.br (8.9.3/8.9.3) with ESMTP id RAA28579
	for <obm-l@mat.puc-rio.br>; Thu, 2 Mar 2000 17:56:00 -0300 (EST)
Received: from dcc.unicamp.br (ra003280@cure.grad.dcc.unicamp.br [143.106.16.10])
	by amazonas.dcc.unicamp.br (8.8.5/8.8.5) with ESMTP id RAA15255
	for <obm-l@mat.puc-rio.br>; Thu, 2 Mar 2000 17:56:01 -0300 (EST)
Sender: ra003280@dcc.unicamp.br
Message-ID: <38BEE336.4F4AE4E4@dcc.unicamp.br>
Date: Thu, 02 Mar 2000 18:55:02 -0300
From: Rafael Avila de Espindola <ra003280@dcc.unicamp.br>
X-Mailer: Mozilla 4.61 [en] (X11; I; Linux 2.2.12-20 i586)
X-Accept-Language: en
MIME-Version: 1.0
To: obm-l@mat.puc-rio.br
Subject: racional ou irracional?
Content-Type: text/plain; charset=us-ascii
Content-Transfer-Encoding: 7bit

(2-5^(1/2))^1/3 + (2+5^(1/2))^1/3 eh racional ou irracinal?