Matematika

Pertanyaan

kak tolong bantu dong pleasee, No1. 3pangkat3x-1=1 No2.3pangkatx-2=(1/3)pangkat x+2

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  • 1||

    3^3x - 1 = 1
    3^3x - 1 = 3^0
        3x - 1 = 0
             3x = 1
               x = 1/3
    2||

    3^x-2 = (1/3)^x+2
    3^x-2 = (3^-1)^x+2
    3^x-2 = 3^-x-2
      x - 2 = -x - 2
    x + x  = -2 + 2
        2x  = 0
          x  = 0

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