Please, I need help (urgently) solving this Diophantine equation (proving that it doesn't have integer solutions): x^5-y^2=4 Thanks in advance...
Last edited by mr fantastic; Jan 25th 2011 at 07:05 PM. Reason: Title.
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Originally Posted by TCKony Please, I need help (urgently) solving this Diophantine equation (proving that it doesn't have integer solutions): x^5-y^2=4 Thanks in advance... There are no solutions modulo $\displaystyle 11,22,33,44,55,66,77 $. (It seems these are the only moduli without solutions...)
Thanks!
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