Find the inverse of each of the given matrices by transforming the identity matrix, as in Examples
Question:
Find the inverse of each of the given matrices by transforming the identity matrix, as in Examples 2–4.
Data from Example 4
Find the inverse of the matrix
Therefore, the required inverse matrix is
which may be checked by multiplication. See Fig. 16.8 for a calculator window showing A−1 in decimal and fractional form.
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Related Book For
Basic Technical Mathematics
ISBN: 9780137529896
12th Edition
Authors: Allyn J. Washington, Richard Evans
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