Find the inverse
a matrix:
1 2 5
2 3 1
-1 1 1​

2 thoughts on “Find the inverse<br />a matrix:<br />1 2 5<br />2 3 1 <br />-1 1 1​”

1. Inverse

   [tex]\purple{\left[\begin{array}{ccc}-1&-2&-5\\-2&-3&-1\\1&-1&-1\end{array}\right]}[/tex]

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2. inverse

   [tex]\left[\begin{array}{ccc}-1&-2&-5\\-3&-3&-1\\1&-1&1\end{array}\right][/tex]

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