### Home > A2C > Chapter 7 > Lesson 7.3.5 > Problem 7-218

7-218.

Remember to multiply the rows of the first matrix by the columns of the second one.

Remember that matrices are inverse, if their product equals .

These matrices are inverse.

See part (a).

7-218.

Remember to multiply the rows of the first matrix by the columns of the second one.

Remember that matrices are inverse, if their product equals .

These matrices are inverse.

See part (a).