invers matriks C = (2 -1 -3 1) adalah C-¹ =.....

Materi : Matriks
Kelas  : XI SMA 

Invers = C⁻¹

[tex]= \frac{1}{det C} \left[\begin{array}{ccc}1&1\\3&2\end{array}\right] \\ \\ = \frac{1}{-1} \left[\begin{array}{ccc}1&1\\3&2\end{array}\right] \\ = \left[\begin{array}{ccc}1&1\\-3&-2\end{array}\right] [/tex]