Se connecter
Mathematics for IGCSE & O level - Sets (Section 3 - No. 38)
If A ⊆ B, which of the following is ALWAYS true?
B ⊆ A
A ∪ B = A
A ∩ B = B
A ∪ B = B
Explication
If A is a subset of B, their union is equal to B.
Commentaires (0)
Connectez-vous pour commenter
Publicité
Autoriser javascript à charger correctement cette page
