if (g, .) is a group such that (ab)- 1 = a-1b-1, ∀ a, b ∈ g, then g is a/an Options: A . &nbspcommutative semi group B . &nbspnon-abelian group C . &nbspabelian group D . &nbspNone of these

if (g, .) is a group such that (ab)- 1 = a-1b-1, ∀ a, b ∈ g, then g is a/a

Question - if (g, .) is a group such that (ab)- 1 = a-1b-1, ∀ a, b ∈ g, then g is a/an

Options:

A . commutative semi group

B . non-abelian group

C . abelian group

D . None of these

Answer: Option C
Explanation :

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