Matematika

Pertanyaan

bantu tentang logaritma........
bantu tentang logaritma........

1 Jawaban

  • Logaritma

    misal log x = a

    a + (6/a) = 5
    kali dgn a

    a² + 6 = 5a
    a² - 5a + 6 = 0
    (a - 3)(a - 2) = 0
    a = 3 atau a = 2

    log x = 3
    x = 10³ = 1000
    logx = 2
    x = 10² = 100

    Hp = { 100 , 1000}