Question
$D=\left[\begin{array}{r}-4 \\ 5\end{array}\right],$ and $E=\left[\begin{array}{r}-1 \\ 2\end{array}\right] .$ Find each of the following matrices,if possible.$$A-D$$
Step 1
The matrix $D$ is a 2x1 matrix, meaning it has 2 rows and 1 column. The matrix $A$ is not given, but the problem implies that it is a 2x2 matrix, meaning it has 2 rows and 2 columns. Show more…
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