Let $p < q$ be prime numbers such that $p^2 + q^2 + 7pq$ is a perfect square. Then, the largest possible value of $q$ is: (A) 7 (B) 11 (C) 23 (D) 29
Let $p < q$ be prime numbers such that $p^2 + q^2 + 7pq$ is a perfect square. Then, the largest possible value of $q$ is:\\
(A) 7\\
(B) 11\\
(C) 23\\
(D) 29