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For any two sets A and B, the values of ...

For any two sets A and B, the values of `[(A-B)uuB]^(C )` is equal to

A

`A^(C )nnB^(C )`

B

`AuuB`

C

`A-B`

D

`B-A`

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The correct Answer is:
To solve the problem, we need to find the value of \((A - B) \cup B^c\) where \(A\) and \(B\) are any two sets, and \(B^c\) is the complement of set \(B\). ### Step-by-Step Solution: 1. **Understand the Expression**: We need to evaluate \((A - B) \cup B^c\). Here, \(A - B\) represents the elements that are in set \(A\) but not in set \(B\), and \(B^c\) represents all elements that are not in set \(B\). 2. **Define the Sets**: - Let \(U\) be the universal set containing all possible elements. - \(A - B = \{x \in A \mid x \notin B\}\) - \(B^c = \{x \in U \mid x \notin B\}\) 3. **Visualize with a Venn Diagram**: - Draw a Venn diagram with two circles: one for set \(A\) and another for set \(B\). - The area representing \(A - B\) will be the part of circle \(A\) that does not overlap with circle \(B\). - The area representing \(B^c\) will include everything outside circle \(B\). 4. **Combine the Sets**: - The union \((A - B) \cup B^c\) will include: - All elements in \(A\) that are not in \(B\) (the pink region). - All elements that are outside of \(B\) (the yellow region). 5. **Identify the Resulting Set**: - The union of these two areas will cover all elements that are either in \(A\) but not in \(B\) or outside of \(B\). - This means that the resulting set will include all elements that are either in \(A\) or not in \(B\). 6. **Conclusion**: - Therefore, the expression \((A - B) \cup B^c\) can be simplified to \(A \cup B^c\). ### Final Answer: \[ (A - B) \cup B^c = A \cup B^c \]
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