In Example 3, change the element 3 to 2 and then find the inverse using the same

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In Example 3, change the element −3 to −2 and then find the inverse using the same method.


Data from Example 3

Find the inverse of the matrix


Therefore,


which can be checked by multiplication.

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Basic Technical Mathematics

ISBN: 9780137529896

12th Edition

Authors: Allyn J. Washington, Richard Evans

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