Matematika

Pertanyaan

tolong bantu donkk carany gimana yg no 16.. bsk bakal dikumpul.. trima kasihh
tolong bantu donkk carany gimana yg no 16.. bsk bakal dikumpul.. trima kasihh

1 Jawaban

  • U4 = 32
    32 = a×r^3
    U3 = 8
    8 = a×r^2

    32 = a×r^3
    8 = a×r^2 ÷
    ------------------
    4 = r

    Jadi,
    8 = a×r^2
    8 = a×4^2
    8 = a×16
    a = 8/16
    a = 1/2(a)