If A and B are two sets such that A ⊆ B then find:

Question:

If $A$ and $B$ are two sets such that $A \subseteq B$ then find:

(i) $\mathbf{A} \cup \mathbf{B}$

(ii) $\mathbf{A} \cap \mathbf{B}$

 

Solution:

Given; $A$ and $B$ are two sets such that $A \subseteq B$.

(i) $A \cup B=A$

(ii) $A \cap B=B$

 

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