Question

Consider the 4 × 4 matrix $M=\begin{pmatrix} 11 & 10 & 10 & 10 \\\ 10 & 11 & 10 & 10 \\\ 10 & 10 & 11 & 10 \\\ 10 & 10 & 10 & 11 \end{pmatrix}$. Then the value of the determinant of M is equal to _________.

Answer 1

The correct answer is : 41.