For Exercises 23-32, evaluate the determinant of the matrix state whether the matrix is invertible. (See Example 3-5)
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- In 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_forwardFind the determinants in Exercises 35-40, assuming that [abcdefghi]=4 [acbcdfefgihi]arrow_forward
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