Question

Find the system determinant of the given matrix.




-30
-6
6
30

Answer 1

-30, -6
6 , 30

?

Answer 2

\[\mathbf M=\begin{bmatrix}a&b\\c&d\end{bmatrix}\]

determinant of matrix M

\[\det(\mathbf M)=\begin{vmatrix}a&b\\c&d\end{vmatrix}=ad-bc\]