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If A and B are finite sets, such that A...

If A and B are finite sets, such that `A sub B`, then `n(A uu B)` is equal to `"………"`

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To solve the problem, we need to find the value of \( n(A \cup B) \) given that \( A \) is a subset of \( B \). ### Step-by-Step Solution: 1. **Understanding the Sets**: We know that \( A \subseteq B \). This means every element of set \( A \) is also an element of set \( B \). 2. **Union of Sets**: ...
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