In Exercises 27-36, find (if possible) the following matrices:
a. AB
b. BA.
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Algebra and Trigonometry (6th Edition)
- In Exercises 23-28, let A=[102311201] and B=[230111164] Use the matrix-column representation of the product to write each column of BA as a linear combination of the columns of B.arrow_forwardIn a previous section, we showed that matrix multiplication is not commutative, that is, ABBA in most cases. Can you explain why matrix multiplication is commutative for matrix inverses, that is, A1A=AA1 ?arrow_forwardUse elementary matrices to find the inverse of A=100010abc, c0.arrow_forward
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