Question
Find the dimensions of the given matrix and identify the given entry.$$B=\left[\begin{array}{rr}1 & 3 \\5 & -6\end{array}\right] ; b_{12}$$
Step 1
The dimensions of a matrix are given by the number of rows and columns it has. In this case, we can see that the matrix has 2 rows and 2 columns. Therefore, the dimensions of the matrix are 2x2. Show more…
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