Matematika

Pertanyaan

Diketahui S = {bilangan asli kurang dari 20}
A ={2,3,5,7,11,13,17,19}
B ={1,3,5,7,9,11,13,15,17,19}
Tentukan:
a.A ∧ B; c.Ac - Bc;
b.B ∨ A; d.Bc - Ac.

2 Jawaban

  • A = {2, 3, 5, 7, 11, 13, 17, 19}
    B = {1, 3, 5, 7, 9, 11, 13, 15, 17, 19}

    a) A n B = {3, 5, 7, 11, 13, 17, 19}
    b) B u A = {1, 2, 3, 5, 7, 9, 11, 13, 15, 17, 19}
    c) Ac - Bc = {2}
    d) Bc - Ac = {1, 9, 15}
  • a)  A ∧ B = {3,5,7,11,13,17,19}
    b)  B ∨ A = {1,2,3,5,7,9,11,13,15,17,19}
    c) A[tex] ^{c} [/tex] = {1,4,6,8,10,12,14,16,18}
        [tex] B^{c} [/tex] = {2,4,6,8,10,12,14,16,18}
        [tex] A^{c} - B^{c} [/tex] = {1}
    d)  [tex] B^{c} - A^{c} [/tex] = {2}

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