Chapter 1.3, Problem 7E

In Exercises 7–8, use the following matrices and either the row method or the column method, as appropriate, to find the indicated row or column.

$A=\left[\begin{array}{l}3-27\\ 654\\ 049\end{array}\right]$ and $B=\left[\begin{array}{l}6-24\\ 013\\ 775\end{array}\right]$

1. a. the first row of AB
2. b. the third row of AB
3. c. the second column of AB
4. d. the first column of BA
5. e. the third row of AA
6. f. the third column of AA