Ensembles finis Exemples

$[\begin{array}{c} 8 x & 7 y & - 3 \\ 3 x & - 9 & 12 \end{array}]$

Étape 1

Transpose the matrix by switching its rows to columns.

$[\begin{array}{c} 8 x & 3 x \\ 7 y & - 9 \\ - 3 & 12 \end{array}]$