Translations:Faq/Math/001/7/fr

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Affichage Balisage Math
  |x| = \left\{ \begin{array}{lr} -x & , x<0 \\ x & , x \ge 0 \end{array}  \right. abs x = left lbrace
matrix
{
-x #, x <0 ##
x # , x>= 0
}
right none