Question 55
Find all pairs of positive integers $(m, n)$ satisfying
$$
m^2 + n^2 = 2018(m - n).
$$
$$
m^2 + n^2 = 2018(m - n).
$$
MathNet 2018-part-06 — 181 problems (EN–VI) Question 55
Math Olympiad Vault · MathNet 2018-part-06 — 181 problems (EN–VI)