Matematika

Pertanyaan

tolong ya kak........
tolong ya kak........

1 Jawaban

  • S = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 }
    A = { 2, 3, 5, 7 }
    B = { 5, 7 , 9 }

    a) A^{c} = { 0, 1, 4, 6, 8, 9, 10 }

    b) B^{c} = { 0, 1, 2, 3, 4, 6, 8, 10 }

    c) (A ∩ B)^{c}= ({ 2, 3, 5, 7 } ∩ { 5, 7, 9 })^{c}
                          = { 5, 7 }^{c}
                          = { 0, 1, 2, 3, 4, 6, 8, 9, 10 }

    d) (A ∪ B)^{c} = ({ 2, 3, 5, 7 } ∪ { 5, 7, 9 })^{c}
                           = { 2, 3, 5, 7, 9 }^{c}
                           = { 0, 1, 4, 6, 8, 10 }

    e) A ∩ (A ∪ B)^{c}= { 2, 3, 5, 7 } ∩ { 0, 1, 4, 6, 8, 10 }
                                 = { }

    f) B^{c} ∩ (A ∪ B) = { 0, 1, 2, 3, 4, 6, 8, 10 } ∩ { 2, 3, 5, 7, 9 }
                                 = { 2, 3 }

    g) (A ∪ B)^{c}∩ (A ∪ B)^{c} = { 0, 1, 4, 6, 8, 10 } ∩ { 0, 1, 4, 6, 8, 10 }
                                                = { 0, 1, 4, 6, 8, 10 }

    h) (A^{c} ∩ B)^{c} ∪ (A ∪ B^{c})^{c} = ({ 0, 1, 4, 6, 8, 9, 10 } ∩ { 5, 7, 9 })^{c} ∪ ({ 2, 3, 5, 7 } ∪ { 0, 1, 2, 3, 4, 6, 8, 10 })^{c} = { 9 }^{c} ∪ { 0,1, 2, 3, 4, 6, 8, 10 }^{c} = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 10 } ∪ { 5, 7, 9 } = { 0,1, 2, 3, 4, 5, 6, 7, 8, 9, 10 }