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MathNet 2005 — Part 02 Question 9

Math Olympiad Vault · MathNet 2005 — Part 02

Question 9

Determine if there are positive integers $x$, $y$, $z$ such that the product $(x + y)(y + z)(z + x)$ is equal to:


a) $6767$


b) $7676$


c) $6776$

In each case, if the answer is affirmative, find all the ordered triples $(x, y, z)$ that satisfy the condition.