The inverse A − 1 of the matrix A = [ 1 2 3 1 − 1 0 2 1 2 1 − 3 0 1 1 2 1 ] or show that no inverse exists.

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Chapter 8.6, Problem 25E

To determine

The inverse A−1 of the matrix A=[1231−102121−301121] or show that no inverse exists.

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