New user? Sign up

Existing user? Log in

\[\begin{align} x\leq y & \leq 1000 \\ 49 & \mid x^2+y^2 \end{align}\]

How many number pairs \((x,y)\) satisfies the condition above, where \(x\) and \(y\) are positive integers?

Problem Loading...

Note Loading...

Set Loading...