B D (i), (ii), (iii) None (i), (iii) (ii) (i) Given the permutation group Sn, which of the following are correct? (i): If ggg, then g is the identity of Sn. (ii): If ga = a for all a € Sn, then g is the identity of Sn. (iii): If ag = ga = a for all a € Sn, then g is the identity of Sn. ***

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