Matematika

Pertanyaan

(X²+4x-12)^x+3=(x²+4x-12)^2x-1

2 Jawaban

  • (X²+4x-12)^(x+3)=(x²+4x-12)^(2x-1)
    ⇔ x + 3 = 2x - 1
    ⇔ x = 4
  • (x² + 4x - 12)^(x+3) = (x² + 4x - 12)^(2x-1)

    Misalkan
    y = x² + 4x - 12

    maka
    y^(x+3) = y^(2x-1)

    Artinya bahwa
    x+3 = 2x-1
    2x - x = 3 + 1
    x = 4

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