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Tolong jawab no.24 y gan, tq
Tolong jawab no.24 y gan, tq

1 Jawaban

  • xlog (x + 2) - 3 . xlog 2 + 1 = 0
    xlog (x + 2) + 1 = 3 . xlog 2
    xlog (x + 2) + xlog x = xlog 2^3
    xlog (x + 2)x = xlog 8
    x^2 + 2x = 8
    x^2 + 2x - 8 = 0
    (x + 4)(x - 2) = 0
    x = -4 atau x = 2
    Karena syarat x > 0 maka x = 2