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Math Help - [SOLVED] Null Sequence

  1. #1
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    [SOLVED] Null Sequence

    Hi

    Very small question. Is 1/n! a basic null sequence?

    I know that n^p/n! is when p>0 but not sure about the first one.

    Just looking for some clarification

    Thanks!!
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  2. #2
    is up to his old tricks again! Jhevon's Avatar
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    Quote Originally Posted by Ian1779 View Post
    Hi

    Very small question. Is 1/n! a basic null sequence?

    I know that n^p/n! is when p>0 but not sure about the first one.

    Just looking for some clarification

    Thanks!!
    yes it is. even 1/n will suffice
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  3. #3
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    Thanks - I wasn't totally sure!

    One final one. Will 1/(-1)^n be a null sequence?
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  4. #4
    is up to his old tricks again! Jhevon's Avatar
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    Quote Originally Posted by Ian1779 View Post
    Thanks - I wasn't totally sure!

    One final one. Will 1/(-1)^n be a null sequence?
    no

    you know what a null sequence is, right?
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  5. #5
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    Yeah. I asked this last night ( was feeling a bit tired and not with it). I did know it can't be a null sequence because of the (-1)^n part, not sure what made me ask!

    Thanks for the other bit though!!
    Last edited by Ian1779; September 14th 2008 at 10:08 PM. Reason: Mistake
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