Question 22
Determine all solutions of the Diophantine equation
$$
a^2 = b \cdot (b+7)
$$
in integers $a \geq 0$ and $b \geq 0$.
$$
a^2 = b \cdot (b+7)
$$
in integers $a \geq 0$ and $b \geq 0$.
MathNet 2014 Question 22
Math Olympiad Vault · MathNet 2014