Question

What is the value of the determinant \[\begin{vmatrix}0 & 2 & 0 \\ 2 & 3 & 4 \\ 4 & 5 & 6\end{vmatrix} ?\]

Answer 1

\[\begin{vmatrix}0 & 2 & 0 \\ 2 & 3 & 4 \\ 4 & 5 & 6\end{vmatrix}\] 
\[ = 0(18 - 20) - 2(12 - 16) + 0(10 - 12)\] 
\[ = 8\]