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# Given$A=\left[\begin{array}{cc}3 & -2 \\ 1 & 0 \\ 0 & 5\end{array}\right], B=\left[\begin{array}{cc}4 & -5 \\ 3 & 0 \\ -2 & 2\end{array}\right], C=\left[\begin{array}{cc}2 & -1 \\ 6 & 10 \\ -3 & 7\end{array}\right]$, and$D=\left[\begin{array}{ccc}3 & 2 & 5 \\ -2 & -4 & 1\end{array}\right]$, determine the following, if possible. See the earlier examples.$3 C-A$

Solution

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Data:

$\begin{equation*} A=\begin{bmatrix}3&-2\\1&0\\0&5\end{bmatrix} \end{equation*}$

$\begin{equation*} C=\begin{bmatrix}2&-1\\6&10\\-3&7\end{bmatrix} \end{equation*}$

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