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diophantine m^2 + n^2 + 3 = 4(m + n) (HOMC 2011 J Q6)

Source:

July 25, 2019
number theoryDiophantine equationdiophantine

Problem Statement

Find all positive integers (m,n)(m,n) such that m2+n2+3=4(m+n)m^2 + n^2 + 3 = 4(m + n)