### Home > PC > Chapter 12 > Lesson 12.1.1 > Problem 12-6

12-6.

Let

and let . Homework Help ✎ Find

*AB*and*BA*.What can you conclude about multiplying matrices?

When multiplying matrices, multiply the rows of the first matrix by the columns of the second matrix.

Now simplify and then calculate *BA* on your own.

Does *AB* = *BA*?