Set Theory and Algebra MCQ

1:

 Some group (G, 0) is known to be abelian. Then which one of the following is TRUE for G ?

A.

g = g-1 for every g ∈ G

B.

g = g2 for every g ∈ G

C.

(g o h) 2 = g2o h2 for every g,h ∈ G

D.

G is of finite order

 

Answer : C

Explanation :

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Option: A

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