Mathematics · Set Theory and Number Systems
Which one of the following mathematical statements does not represent a commutative law?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1a ∪ b = b ∪ a
- 2a - b = b - a✓
- 3a + b = b + a
- 4a × b = b × a
Correct answer
a - b = b - a
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