How could Maple commands or commands of another appropriate software package be used to fi...

How could Maple commands or commands of another appropriate software package be used to find the reduced column-echelon form of a matrix? Use them to find the reduced column-echelon form of matrix A in Exercise 34.

Exercise 34

The Maple command for finding the transpose of a matrix is transpose. Use Maple or another appropriate software package to find AAT – 3AT for