Albert1
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$a,y \in N$
$2a^2+a+1=y^2$
Is it possible to solve this equation systematically, or will it involve guesswork?
it seemed easy ,but...
you may check it using program (I have done this )
$2a^2+a+1=y^2$
Is it possible to solve this equation systematically, or will it involve guesswork?
it seemed easy ,but...
you may check it using program (I have done this )