Matematika

Pertanyaan

ada yang bisa bantu jawab?
ada yang bisa bantu jawab?

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1 Jawaban

  • S6n/S3n = {a(r^6n - 1)/(r-1)} / {a(r³ⁿ-1)/(r-1)}
    = {a(r^6n - 1)/(r-1)} / {(r-1)/(a(r³ⁿ-1)}
    = (r^6n - 1) / (r³ⁿ - 1)
    = (r³ⁿ - 1)(r³ⁿ + 1) / (r³ⁿ - 1)
    = r³ⁿ + 1

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