Matematika

Pertanyaan

18,23,28,33,36,43,...,...
Ada yg tau kah ? Deret matika.

1 Jawaban

  • Un = a + (n-1) b

    U1 = a = 18
    U2 = a + b = 23
    18 + b = 23
    b = 5

    U7 = a + 6b = 18 + 6 . 5 = 18 + 30 = 48
    U8 = a +7b = 18 + 7 . 5 = 18 + 35 = 53

Pertanyaan Lainnya