Matematika

Pertanyaan

barisan geometri ½,1,2,4 ... tentukan :
a.u8,
b.u10

1 Jawaban

  • a = ½
    r = 2

    U8 = ar^7
    U8 = ½.2^7
    U8 = 2^-1 . 2^7
    U8 = 2^6
    U8 = 64

    U10 = ar^9
    U10 = ½.2^9
    U10 = 2^-1 . 2^9
    U10 = 2^8
    U10 = 256

    semoga membantu###

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