MATLAB QUESTION 1

*I would greatly appreciate it if you can give me the matlab codes. This is for my intro to linear algebra course. *

1. (Use format rat) Let A 4 5 6 (a) Follow the instructions in the introduction on how to enter the augmented matrix [A Is], put it in reduced row echelon form, and then extract the inverse matrix A-1. (b) Now let MATLAB compute the inverse of A directly using the inv command. Make sure your answer coincides with the previous part