Question: Please help! Clear Handwriting In Exercises 9-12, verify that the given matrix A does not have an inverse. [Hint: One of AB = I or

Please help!

Clear Handwriting

In Exercises 9-12, verify that the given matrix A does not have an inverse. [Hint: One of AB = I or BA = 1 leads to an easy contradiction. ]2 2 4 11. A = 1 1 7 3 3 9In Exercises 13-21, reduce [A | / ] to find A . In each case, check your calculations by multiplying the given matrix by the derived inverse.\f15. [17. 210 4\f

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