Find the inverse by Gauss-Jordan [or by
Chapter 7, Problem 7.1.139(choose chapter or problem)
Find the inverse by Gauss-Jordan [or by (4*) if n = 2] or state that it does not exist. Check by using (1).
\(\left[\begin{array}{rrr}1 & 2 & 5 \\ 0 & -1 & 2 \\ 2 & 4 & 11\end{array}\right]\)
Text Transcription:
[1 2 5 \\ 0 -1 2 \\ 2 4 11]
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