Question
If $(x^3 - 2x^2 - 9x + 18 = 0)$ and $\begin{bmatrix} 1 & 2 & 3 \\ 4 & x & 6 \\ 7 & 8 & 9 \end{bmatrix}$, then the maximum determinant is?
If $(x^3 - 2x^2 - 9x + 18 = 0)$ and $\begin{bmatrix} 1 & 2 & 3 \\ 4 & x & 6 \\ 7 & 8 & 9 \end{bmatrix}$, then the maximum determinant is?