Find the inverse by Gauss-Jordan [or by
Chapter 7, Problem 7.1.136(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).
\(\left[\begin{array}{rrr}3 & -1 & 1 \\ -15 & 6 & -5 \\ 5 & -2 & 2\end{array}\right]\)
Text Transcription:
[3 -1 1 \\ -15 6 -5 \\ 5 -2 2]
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