## Discussion Forum

Que. | The set {1, 2, 4, 7, 8, 11, 13, 14} is a group under multiplication modulo 15. The inverses of 4 and 7 are respectively |

a. | 3 and 13 |

b. | 2 and 11 |

c. | 4 and 13 |

d. | 8 and 14 |

Answer:4 and 13 |

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Que. | The set {1, 2, 4, 7, 8, 11, 13, 14} is a group under multiplication modulo 15. The inverses of 4 and 7 are respectively |

a. | 3 and 13 |

b. | 2 and 11 |

c. | 4 and 13 |

d. | 8 and 14 |

Answer:4 and 13 |

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