Matematika

Pertanyaan

ada tambahan poin nih,
S={0,1,2,3,4,5,6,7,8,9,10}
A={4,5,6}
B={6,7,8,9,10}
tentukan :
1.n(A n B)
2.n(A u B)
3.n(A) saja
4.n(B) saja
kalau bisa pakai cara

2 Jawaban

  • 1. (AnB)=A={4,5,6}
    B={6,7,8,9,10}
    (AnB)={ }

    2.(AuB)={4,5,6,7,8,9,10}

    3.A={4,5,6}

    4.B={6,7.8,9,10}
  • S={0,1,2,3,4,5,6,7,8,9,10}
    A={4,5,6}
    B={6,7,8,9,10}

    1.n(A n B) (banyaknya anggota A iris B)

    (A n B) = {6}
    n(A n B) = 1

    2.n(A u B) (banyaknya anggota A gabung B)

    (A u B) = {4,5,6,7,8,9,10}
    n(A u B) = 7

    3.n(A) saja (banyaknya anggota A) = 3


    4.n(B) saja 
    (banyaknya anggota B) = 5

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