Mathematics · Set Theory
If Set A = {1, 2, 3} and Set B = {1}, then which of the following statements is true?
- 1A Δ B = {1}
- 2A × B = {1, 2, 3}
- 3A ∩ B = {1, 2, 3}
- 4A - B = {2, 3}✓
Correct answer
A - B = {2, 3}
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