Wednesday, November 30, 2011

Test

Ok, this is a test. Try this (very very simple):

Prove that the equation

$x^2-7y^2=10$.

has no integer solutions.
Posted by at 1:37 AM

1 comment:

  1. José Hdz. Stgo.April 1, 2016 at 9:47 PM

    If x & y belong to Z, then x^2 - 7y^2 is not congruent to 3 modulo 7. Done.

    ReplyDelete

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