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Home » Olympiad Section » Number Theory » Number Theory Unsolved Problems

(a^2-1)^2+(a^2)^2=b^2
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Nbach
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Joined: 25 May 2007
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Location: University of natural sience-Ha Noi national university ,Viet Nam

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(a^2-1)^2+(a^2)^2=b^2
a nice Diophantus equation

Find all natural numbers $a,b$ such that :
$(a^2-1)^2+(a^2)^2=b^2$

Posted: Mon Apr 28, 2008 5:59 pm

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Noobiel
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$\Box$

Posted: Sat Jun 14, 2008 1:55 am

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