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coolaidd

  • 3 years ago

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  1. nickhouraney
    • 3 years ago
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    pretty sure you have to use the partial sums formula for 8

  2. hartnn
    • 3 years ago
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    do u know formulae for sum of finite and infinite terms in a geometric sequence??

  3. hartnn
    • 3 years ago
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    @coolaidd

  4. ashna
    • 3 years ago
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    It's a geometric series a + ar + ar^2 + ... with a=1 and r = 3/2. Plug into the formula

  5. protosbg
    • 3 years ago
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    http://en.wikipedia.org/wiki/Geometric_progression if u have finite geometric progession the sum is a1(q^n-1)/(q-1) if u have infinite geometric progresion the formula is a1/(1-r) where where a1 is the first therm r is the common ratio (u multyply all therms in progresion )

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