Transpose and inverse matrix

Calculate the following:

a) 2A-3B b) A^T c) AB-BA d) BC^-1, e) (AB)^T

Note: A^T (A transpose) and C ^-1 (inverse matrix of C)

A= 1 2 3 B= -1 2 -1 C= 0 -2 1

2 3 4 -3 -4 5 -3 5 2

3 4 5 2 3 -4 1 1 -7

[Walter Roberson]

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