Matematika

Pertanyaan

himpunan penyelesaian dari persamaan 2^6x = 3.2^3x -2

1 Jawaban

  • 2^6x = 3 . 2^(3x - 2)
    2^6x = 3 . 2^3x /2²
    2^6x /2^3x = 3/4
    2^(6x - 3x) = 3/4
    2^2x = 3/4
    2x . log 2 = log 3/4
    2x = (log 3/4)/log 2
    x = (log 3 - log 4)/log 2²
    x = 4'log 3 - 1
    x = -0,2

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