Question 49
Determine the number of pairs of integers $(x, y)$ that satisfy the equality:
$$
(x + y + 2012)^2 = x^2 + y^2 + 2012^2 .
$$
$$
(x + y + 2012)^2 = x^2 + y^2 + 2012^2 .
$$
MathNet 2012 Question 49
Math Olympiad Vault · MathNet 2012
Math Olympiad Vault · MathNet 2012