\item\pause $A + (B+C) = (A + B) + C$ : la somme est associative \item le terme général de $(\alpha + \beta ) A $ est $(\alpha + \beta)a_{ij}$ \item\pause $(\alpha ...
$\left\{\begin{array}{l}2x+4y=7\\-2x+3y=-14\end{array} \right.$,\quad $\left\{\begin{array}{l}x+z=1\\-2y+3z=1\\x+z=1\end{array} \right.$,\quad $\left\{\begin{array}{l ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback