Re: diofantea

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#36

From: superpollo
Date: Mon, 07 Nov 2011 21:09

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Ignacio Larrosa Ca�estro ha scritto:
> superpollo wrote:
>> superpollo ha scritto:
>>> risolvere per x,y interi positivi:
>>>
>>> x^4/y = (y+4)*(y^2-1)*(y^2-4)*(y^2-9)
>>
>> hola! quieria extender el problema a e.c.m.
> 
> 
> Multiplicando por y, con lo que no deberemos tener en cuenta las 
> soluciones con y = 0, queda
> 
> x^4 = (y+4)(y+3)(y+2)(y+1)y(y-1)(y-2)(y-3)
> 
> La �nica posibilidad de que el producto de 8 enteros consecutivos sea 
> cero

porque el producto debe ser cero? x,y son enteros positivos...

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Date: Mon, 07 Nov 2011 22:09:38 +0100
From: superpollo <superpollo@tznvy.pbz>
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Subject: Re: diofantea
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