B₁: ({0, 1, 2….(n-1)}, xₘ) where xₘ stands for “multiplicati – McqOptions

MCQOPTIONS

1.	B₁: ({0, 1, 2….(n-1)}, xₘ) where xₘ stands for “multiplication-modulo-n” and B₂: ({0, 1, 2….n}, xₙ) where xₙ stands for “multiplication-modulo-m” are the two statements. Both B₁ and B₂ are considered to be __________
A.	groups
B.	semigroups
C.	subgroups
D.	associative subgroup
Answer» C. subgroups

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