Ecuatie in numere intregi
Posted: Tue Apr 14, 2009 7:14 am
Determinati numerele naturale \( x \) si \( y \) care satisfac ecuatia.
\( y^2 \) + \( (x+1)^2 \)=\( x^2 \)+\( (y+1)^2 \)=\( k^2 \)
\( k\in\mathbb{N} \)
\( y^2 \) + \( (x+1)^2 \)=\( x^2 \)+\( (y+1)^2 \)=\( k^2 \)
\( k\in\mathbb{N} \)