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Obtain the inverse of the following matrix using elementary operations: A = [(0, 1, 2), (1, 2, 3), (3, 1, 1)]

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Obtain the inverse of the following matrix using elementary operations: A = [(0, 1, 2), (1, 2, 3), (3, 1, 1)]

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Write A = I A, i.e.,

[(0, 1, 2), (1, 2, 3), (3, 1, 1)] = [(1, 0, 0), (0, 1, 0) (0, 0, 1)]A

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