Chapter 1.3, Problem 8E

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