Ensembles finis Exemples

$[\begin{array}{c} 1 \\ - 3 \\ 2 \end{array}] [\begin{array}{c} - 1 \\ 3 \\ - 2 \end{array}]$

Étape 1

$[\begin{array}{c} 1 \\ - 3 \\ 2 \end{array}] [\begin{array}{c} - 1 \\ 3 \\ - 2 \end{array}]$