Invers Matriks

\((A \: B)^{-1} = \left[\begin{pmatrix} 2 & 5 \\ 1 & 3 \end{pmatrix} \begin{pmatrix} 5 & 4 \\ 1 & 1 \end{pmatrix}\right]^{-1}\)

\((A \: B)^{-1} = \begin{pmatrix} 15 & 13 \\ 8 & 7 \end{pmatrix}^{-1}\)

\((A \: B)^{-1} = \dfrac {1}{105 - 104}\begin{pmatrix} 7 & -13 \\ -8 & 15 \end{pmatrix}\)

\((A \: B)^{-1} = \begin{pmatrix} 7 & -13 \\ -8 & 15 \end{pmatrix}\)