Matematika

Pertanyaan

tolong jawab no 10 pake cara
tolong jawab no 10 pake cara

1 Jawaban

  • Mapel = Matematika
    Bab = Barisan dan Deret
    Tentang = Barisan geometri

    Diketahui
    U6 = 2
    U10 = 32

    Rasio = (10 - 6)√(U10 / U6)
    Rasio = 4√( 32 / 2)
    Rasio = 4√16
    Rasio = 16 akar 4
    Rasio = 2

    Un = a . r^(n-1)
    U6 = a . 2^(6 - 1)
    2 = a . 2^5
    2 = a . 32
    a = 2/32
    a = 1/16

    Un = a . r^(n-1)
    U14 = 1/16 . 2^(14 - 1)
    U14 = 1/16 . 2^13
    U14 = 1/16 . 8192
    U14 = 512

    Semoga membantu :)