Mathematics · Abstract Algebra
Define a new operation * on &mathbb{R}; as: ab = a + 2b, where a, b are real numbers. Which of the following is true for ?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1* is both associative and commutative
- 2* is associative but not commutative
- 3is commutative but not associative
- 4is neither associative nor commutative✓
Correct answer
is neither associative nor commutative
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