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A. None of these
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B. Complement of A
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C. Union of A and B
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D. Complement of B
Explanation
The union of two sets A and B (denoted as A ∪ B) includes all elements that are in A, in B, or in both.
It represents the total collection of elements from both sets without repetition.
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A. {2, 5}
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B. {3}
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C. {3, 4, 7}
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D. None of these
Explanation
Set Difference (B A) means the elements in B that are not in A.
Given:
A = {2, 4, 5, 7}
B = {3, 4, 7}
Elements of B are {3, 4, 7}.
4 and 7 are also in A, so they are removed.
3 is not in A, so it remains.
Therefore, B A = {3}
✅ Correct: 0 |
❌ Wrong: 0 |
📊 Total Attempted: 0
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