IMO 1981 Problem 3

by Binomial-theorem, Feb 12, 2013, 4:59 AM

Determine the maximum value of $m^2+n^2$, where $m$ and $n$ are integers in the range $1,2,\ldots,1981$ satisfying $(n^2-mn-m^2)^2=1$.

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This post has been edited 2 times. Last edited by Binomial-theorem, Feb 12, 2013, 5:02 AM

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