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प्रश्न
If A and B are two sets such that \[A \subset B\] then find:
\[A \cup B\]
उत्तर
From the Venn diagrams given below, we can clearly say that if A and B are two sets such that \[A \subset B\]
Form the given Venn diagram, we can see that \[A \cup B\]=B
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