Q. {1, i, -i, -1} is

(A) a commutative subgroup
(B) a lattice
(C) a trivial group
(D) a monoid

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✅ Correct Answer: (C) a trivial group

Published by Mr. Dubey ⭐ 111.42K Points at 17-Sep-2023 07:11 am in Discrete Mathematics

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