GATE2009 q1 Revision as of 15:54, 29 June 2014 by Arjun Suresh (talk | contribs) (Created page with "Which one of the following in '''NOT''' necessarily a property of a Group? '''(A) Commutativity''' (B) Associativity (C) Existence of inverse for every element (D) ...") (diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)

Which one of the following in NOT necessarily a property of a Group? (A) Commutativity

(B) Associativity

(C) Existence of inverse for every element

(D) Existence of identity

Solution by Happy Mittal

By definition, in a group, commutativity is not necessary. So option (A) is correct.

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