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Q. |
B1: ({0, 1, 2….(n-1)}, xm) where xn 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» B. semigroups |
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