Given
A
=
[
−
1
−
2
0
1
1
0
3
0
1
]
\displaystyle {A}={\left[\begin{array}{ccc} -{1}&-{2}&{0}\\{1}&{1}&{0}\\{3}&{0}&{1}\end{array}\right]}
A
=
⎣
⎡
−
1
1
3
−
2
1
0
0
0
1
⎦
⎤
.
Using the row operations to find the inverse matrix
A
−
1
\displaystyle {A}^{{-{1}}}
A
−
1
.
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Enter each element of the matrix as a number (like 5, -3, 2.2172) or as a calculation (like 5/3, 2^3, 5+4)