Matematika

Pertanyaan

(1/3)^2x = 27...x + 1=
berapa tolong?

1 Jawaban

  • Penyelesaian:

    (1/3)^2x = 27
    (1/3)^2x = 3^3
    (1/3)^2x = 1/3^-3
    (1/3)^2x = (1/3)^-3
    2x = -3
    x = -3/2

    x + 1 = -3/2 + 2/2 
    = -1/2

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