Gonitzoggoβ
Editorial
Need a hint? Checkout the editorial.
View Editorial
Editorial
Simplify the equation and try to show that the equation only satisfies when $p=q=r$.
Cyclic equation
Find the sum of all $(p,q,r)$ where $p,q,r$ are nonnegative integers and $pq+qr+pr+2-(p+q+r)=pqr$.
Counting
0 Upvote 0 Downvote
Need a hint? Checkout the editorial.
View Editorial
Safayat_H