Question
Find the dimensions of the given matrix and identify the given entry.$$D=\left[\begin{array}{rr}15 & -18 \\6 & 0 \\-6 & 5 \\48 & 18\end{array}\right] ; d_{31}$$
Step 1
The dimensions of a matrix are given by the number of rows and columns it has. In this case, we count the number of rows and columns in the matrix $D$. Show more…
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Find the dimensions of the given matrix 15 -18 d31 18 Identify the given entry: d31
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