Matematika

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Tolong nomor 5 bagian c ya :) THX
Tolong nomor 5 bagian c ya :) THX

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  • Bab Eksponensial
    Matematika SMP Kelas IX

    5a] ((1/5)ˣ)³ = (1/5)¹²
           (1/5)³ˣ = (1/5)¹²
            3x = 12
              x = 12/3
              x = 4

    5b] ((9/15)³ˣ : (9/15)ˣ)⁵ = (9/15)³⁰
          ((9/15)³ˣ⁻ˣ)⁵ = (9/15)³⁰
           ((9/15)²ˣ)⁵ = (9/15)³⁰
           10x = 30
            x = 30/10
            x = 3

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