Find the determinant of the matrix:
\[A = \begin{bmatrix} 3 & 0 \\ -5 & 4 \end{bmatrix}\]Click for (rounded) answer
Click for Latex code
\[
\begin{bmatrix}
3 & 0 \\
-5 & 4
\end{bmatrix}
\]
Determinant:
\begin{solution}
\[
\det A = 12
\]
\end{solution}