The number of integers $n \geq 10$ such that the product $\binom { n } { 10 } \cdot \binom { n + 1 } { 10 }$ is a perfect square is (A) 0 (B) 1 (C) 2 (D) 3
The number of integers $n \geq 10$ such that the product $\binom { n } { 10 } \cdot \binom { n + 1 } { 10 }$ is a perfect square is\\
(A) 0\\
(B) 1\\
(C) 2\\
(D) 3