Matematika

Pertanyaan

X log (x+6) + x log (x-1)= 2+ x log 2

1 Jawaban

  • x log (x+6) + x log (x-1) - x log 2 = 2
    x log ((x+6)(x-1) :2) = 2
    (x +6)(x-1) : 2 = x²
    (x² +5x - 6) = 2x²
    -x² +5x - 6=0
    (x-2)(-x+3) = 0
    x = 2 atau x= 3

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