ISRO | ISRO CS 2018 | Question 5

( G, *) is an abelian group. Then

(A) x = x ^-1, for any x belonging to G
(B) x = x², for any x belonging to G
(C) (x * y )² = x² * y², for any x, y belonging to G
(D) G is of finite order

Answer: (C)

Explanation:

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