a) Either of the Maple commands rref or gaussjord can be used to find the reduced row-eche...

a) Either of the Maple commands rref or gaussjord can be used to find the reduced row-echelon form of a matrix. Use them or corresponding commands in another appropriate software package to find the reduced row-echelon form of matrix A in Exercise 34.

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b) Apply the gausselim command of Maple to matrix A. Describe the form of the answer Maple is giving us.

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c) Is A an invertible matrix?

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