Matematika

Pertanyaan

jika x = 8, dan y= 27, maka 2x⅓ - 3/4y⅓ –1/8 =

2 Jawaban

  • x⅓ = ∛8 = 2

    y⅓ = ∛27 = 3


    2x⅓ - 3/4y⅓ –1/8
    = 2(2) - 3/4(3) - 1/8
    = 4 - 9/4 - 1/8
    = 4 - 2 1/4 - 1/8
    = 4 - 2 2/8 - 1/8
    = 4 - 2 3/8
    = 1 5/8
  • Hasil dari

    x = 8
    y = 27

    = 2x^⅓ - ¾ y^⅓ - ⅛
    = 2(8)^⅓ - ¾ (27)^⅓ - ⅛
    = 2(2³)^⅓ - ¾ (3³)^⅓ - ⅛
    = 2(2) - ¾ (3) - ⅛
    = 4 - 9/4 - ⅛
    = (32 - 18 - 1) / 8
    = 13/8

    Semoga berguna +_+

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