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Pertanyaan

diketahui p log 2 = 8 dan q log 8 = 4. jika s = p pangkat 4, t = q pangkat 2. maka nilai t log s ......
a. 1/4
b. 1/3
c. 2/3
d. 3/2
e. 3

1 Jawaban

  • p log 2 = 8
    p^8 = 2
    p = 2^⅛

    q log 8 = 4
    q^4 = 8
    q = 2^¾

    s = p⁴= (2^⅛)⁴ = 2^½
    t = q² = (2^¾)² = 2^³/²

    t^log s = (2^³/²) log 2^½ = (½ / 3/2).²log2 = ⅓

    ♣♣ B ♣♣

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