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Vijay posted an Question
July 24, 2022 • 18:11 pm 30 points
  • CSIR NET
  • Mathematical Sciences

72. which one of the following is true? it jam 2019 (a) z, 1s cyclic if and only if n is prime (b) every proper subgroup of z, is cyclic (c) every proper subgro

72. Which one of the following is true? IT JAM 2019 (a) Z, 1s cyclic if and only if n is prime (b) Every proper

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    Navdeep goyal 1 Best Answer

    A not true bcz z4 is cyclic but 4 not prime since zn is cyclic so each proper subgroup also cyclic B

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