Mathematics · Abstract Algebra
निम्नलिखित में से कौन सी बीजगणितीय संरचना एक समूह (group) बनाती है?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1(Z, *), जहाँ सभी a, b ∈ Z के लिए a * b = a - b
- 2(R+, *), जहाँ सभी a, b ∈ R+ के लिए a * b = ab✓
- 3(R-, *), जहाँ सभी a, b ∈ R- के लिए a * b = a - b
- 4(Z, *), जहाँ सभी a, b ∈ Z के लिए a * b = ab
सही उत्तर देखें
(R+, *), जहाँ सभी a, b ∈ R+ के लिए a * b = ab
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