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B Some trouble understanding this basic inequality proof

  1. Sep 7, 2016 #1
    just starting out with proofs... i tried manipulating the right side of the inequality, but i don't see why it's equal to (n+1)!

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  2. jcsd
  3. Sep 7, 2016 #2
    oh nevermind. i got it. (n+1)! = (n+1)*n*(n-1)*...
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