Re: diofantea

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#38

From: superpollo
Date: Mon, 07 Nov 2011 21:29

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Ignacio Larrosa Ca�estro ha scritto:
> Ignacio Larrosa Ca�estro wrote:
>> 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,
> 
> quise decir "una cuarta potencia", no "cero".

como se puede demonstrar?

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Date: Mon, 07 Nov 2011 22:29:15 +0100
From: superpollo <superpollo@tznvy.pbz>
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Subject: Re: diofantea
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