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GoldRush18

  • 3 years ago

given the series 54+18+6+...determine the: i. general term ii. sum to infinity

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  1. mukushla
    • 3 years ago
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    this is a GP ,,, u just need to find common ratio

  2. GoldRush18
    • 3 years ago
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    and wat is the common ratio

  3. GoldRush18
    • 3 years ago
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    dont knw how to do it

  4. mukushla
    • 3 years ago
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    in GP each term after the first is found by multiplying the previous one by a fixed non-zero number called the common ratio

  5. mukushla
    • 3 years ago
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    for example here\[18=54\times\frac{1}{3}\]\[6=18\times\frac{1}{3}\]...

  6. mukushla
    • 3 years ago
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    so the common ratio is \[r=\frac{1}{3}\]

  7. GoldRush18
    • 3 years ago
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    wat is the sum of infinity?

  8. GoldRush18
    • 3 years ago
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    ok thanx

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