Inverse from Determinant and Adjoint (3x3, without Formula) - Full Matrix

Question

The determinant is 219 and the adjoint is shown. Which is the inverse matrix?

$$\left[ {\begin{array} {ccc}  -9 &  27 &  -3 \ -23 &  -4 &  41 \ 29 &  -14 &  34 \end{array}  } ight]$$

Accepted Answer

$$\left[ {\begin{array} {ccc}  -0.04 &  0.12 &  -0.01 \ -0.11 &  -0.02 &  0.19 \ 0.13 &  -0.06 &  0.16 \end{array}  } ight]$$

Answer

$$\left[ {\begin{array} {ccc}  -0.04 &  0.12 &  -1.01 \ -0.11 &  -0.02 &  0.19 \ 0.13 &  -0.06 &  0.16 \end{array}  } ight]$$

Answer

$$\left[ {\begin{array} {ccc}  2.96 &  0.12 &  1.99 \ -0.11 &  -0.02 &  0.19 \ 0.13 &  -0.06 &  0.16 \end{array}  } ight]$$

Answer

$$\left[ {\begin{array} {ccc}  -0.04 &  0.12 &  -0.01 \ -0.11 &  -0.02 &  0.19 \ 0.13 &  -0.06 &  3.16 \end{array}  } ight]$$

Practice: Matrices - Inverse from Determinant and Adjoint (3x3, without Formula) - Full Matrix