### Home > PC > Chapter 12 > Lesson 12.1.1 > Problem 12-7

12-7.

Complete the following matrix computations. Homework Help ✎

Use the results of the pattern of parts (a) and (b) to find the product

without computing. Verify your result for part (c) by multiplication.

If part (a) is '*AB*', then part (b) is '(2*A*)*B*'. What is part (c)?