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Vijay posted an Question
October 08, 2020 • 15:38 pm 30 points
  • IIT JAM
  • Mathematics (MA)

The number of elements in sn = 1 point on o n n!/2 o 2n which of the follovwing is a 1 point groupoid but not a semigroup? o.) o r) o (n, +) o z,-

The number of elements in Sn = 1 point On O n n!/2 O 2n Which of the follovwing is a 1 point groupoid but not a semigroup? O.) O R) O (N, +) O z,-

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    Deepak singh 1 best-answer

    no.of elements in Sn = n! so option a is correct. and in second question (Z,-) is not associative (check) so not semi group , hence option d is correct. if any doubt then ask

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