Déterminer le domaine de définition des fonctions suivantes:

Solutions détaillées sur : Claroline

Solutions détaillées

-1≤2x≤1
-1≤2 x"              et              "2 x≤1
x≥((-1)/2)		et		x≤(1/2)

"(""[\!\(\*FormBox[RowBox[{\"-\", FractionBox[\"1\", \"2\"]}], TraditionalForm]\); ⟶"") ⋂ (""⟵; \!\(\*FormBox[FractionBox[\"1\", \"2\"], TraditionalForm]\)]"") = ""[\!\(\*FormBox[RowBox[{\"-\", FractionBox[\"1\", \"2\"]}], TraditionalForm]\); \!\(\*FormBox[FractionBox[\"1\", \"2\"], TraditionalForm]\)]"

"dom ""f"" = ""\!\(\*FormBox[FormBox[\"\\\"[\\\\!\\\\(\\\\*FormBox[RowBox[{\\\\\\\"-\\\\\\\", FractionBox[\\\\\\\"1\\\\\\\", \\\\\\\"2\\\\\\\"]}], TraditionalForm]\\\\); \\\\!\\\\(\\\\*FormBox[\\\\\\\"0\\\\\\\", TraditionalForm]\\\\)[\\\"\", TraditionalForm], TraditionalForm]\) ⋃ \!\(\*FormBox[FormBox[\"\\\"]\\\\!\\\\(\\\\*FormBox[\\\\\\\"0\\\\\\\", TraditionalForm]\\\\); \\\\!\\\\(\\\\*FormBox[FractionBox[\\\\\\\"1\\\\\\\", \\\\\\\"2\\\\\\\"], TraditionalForm]\\\\)]\\\"\", TraditionalForm], TraditionalForm]\)"