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Soit A et B deux ensembles non vides
1)démontrer que A est inclus dan...
Mathematics, 08.11.2020 23:40 Lexi5170
J'ai besoin d'aide svp
Soit A et B deux ensembles non vides
1)démontrer que A est inclus dans B équivaut à dire P(A) est inclus dans P(B)
2) montrer que P(A ∩ B)= P(A)∩ (B)
3)*montrer que P(A)UP(B) Est inclus dans P(AUB)
* a t on P(A) U P(B) = P(AUB)?
Answers: 2
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