How to prove (n!)^(-1/n) is null sequence?

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  1. Jundong's Avatar
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    How to prove (n!)^(-1/n) is null sequence?
    .....
  2. DFranklin's Avatar
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    Re: How to prove (n!)^(-1/n) is null sequence?
    Note that n/2, n/2+1,..., n are all >= n/2.
  3. Jundong's Avatar
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    Re: How to prove (n!)^(-1/n) is null sequence?
    (Original post by DFranklin)
    Note that n/2, n/2+1,..., n are all >= n/2.
    I tried this with sandwich rule. But it only lead me between 0 and 1
  4. DFranklin's Avatar
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    Re: How to prove (n!)^(-1/n) is null sequence?
    Try harder.
  5. Jundong's Avatar
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    • Posts: 73
    Re: How to prove (n!)^(-1/n) is null sequence?
    (Original post by DFranklin)
    Try harder.
    Thank u. I did it wrong at the beginning.
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