« Équation et inéquation/Inéquation et tableau de signe » : différence entre les versions
Contenu supprimé Contenu ajouté
Ligne 169 :
| width="50"|<math>-\infty\,</math>
| width="50" align="center"|
| align="center" width="50"|<math>
| width="50" align="center"|
|align="center" width="50"|<math>
| width="50" align="center"|
| align="right" width="50"|<math>+\infty\,</math>
|}
|-----
| width="50"|<math>-2x+3\,</math>
|
{| border="0"
| width="50"|
| width="50" align="center"| <math>-\,</math>▼
| align="center" width="50"|<math>0\,</math>▼
| width="50" align="center"| <math>+\,</math>
▲| align="center" width="50"|<math>0\,</math>
▲| width="50" align="center"| <math>-\,</math>
|align="center" width="50"|
| width="50" align="center"| <math>
| align="right" width="50"|
|}
|-----
| width="50"|<math>x-
|
{| border="0"
Ligne 195 :
| align="center" width="50"|
| width="50" align="center"| <math>-\,</math>
|align="center" width="50"|<math>
| width="50" align="center"| <math>+\,</math>
| align="right" width="50"|
|}
|-----
|width="50"| <math>\frac{-2x+3}{x-
|
{| border="0"
| width="50"|
| width="50" align="center"| <math>+\,</math>▼
| align="center" width="50"|<math>0\,</math>▼
| width="50" align="center"| <math>-\,</math>
▲| align="center" width="50"|<math>0\,</math>
▲| width="50" align="center"| <math>+\,</math>
|align="center" width="50"|<math>||\,</math>
| width="50" align="center"|<math>
| align="right" width="50"|
|}
| |||