Math Help Forum: geometric series

  1. January 13th, 2012, 04:06 AM #1
    ahmedb
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    geometric series

    calculate t6 and S6
    11+33+99+...
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  3. January 13th, 2012, 04:15 AM #2
    princeps
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    Re: geometric series

    Quote Originally Posted by ahmedb View Post
    calculate t6 and S6
    11+33+99+...
    Geometric progression
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  4. January 13th, 2012, 04:28 AM #3
    ahmedb
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    Re: geometric series

    cmon' can you please show the steps?
    please and thanks
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  5. January 13th, 2012, 04:32 AM #4
    Prove It
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    Re: geometric series

    Quote Originally Posted by ahmedb View Post
    cmon' can you please show the steps?
    please and thanks
    That's not how things work here. You need to show some effort. It's a geometric series with a = 11 and r = 3.

    What are the formulas to work out the value of a particular term and the value of the sum up to a particular term?
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« element of N | arithmetic series »

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