Matematika

Pertanyaan

(3logx)pangkat 2 -3.3logx + 2=0

1 Jawaban

  • Kelas 10 Matematika
    Bab 1 - Akar, Pangkat dan Logaritma

    ^ = pangkat

    (^3log x)² - 3 . ^3log x + 2 = 0
    a² - 3a + 2 = 0
    (a - 2) (a - 1) = 0
    a - 2 = 0
    a = 2

    ^3log x = 2
    x = 3^2
    x = 9

    a - 1 = 0
    a = 1

    ^3log x = 1
    x = 3^1
    x = 3

    { 3, 9 }

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