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MathNet 2022-part-02 — 197 problems (EN–VI) Question 63

Math Olympiad Vault · MathNet 2022-part-02 — 197 problems (EN–VI)

Question 63

Determine all triples $(a,b,c)$ of integers which satisfy the equation
$$ (a-b)^3(a+b)^2 = c^2 + 2(a-b) + 1. $$