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Sagot :

SVANT

Réponse :

Exercice 2

a) x ∈ [-4; 10[

b) x ∈ ]-2; 5]

c) x ∈ ]-∞; -3[ ∪ [1; +∞[

d) x ∈ ]0; +∞[

e) x ∈ ]-∞; -2[

Exercice 3

a) x ∈ [-3; 7[

b) x ∈ ]-∞; -4 ] ∪ ]2; +∞[

c) x ∈ [2; 7[

d) x ∈ ]-∞; 0[

e) x ∈ ]2; 5]

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