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(n-1)!(n^2+n)
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does it help to know \(n^2+n=n(n+1)\)?
Yes.. A little would it be n! ?
no but close
you also have \(n+1\) there
Could I move the factorial to wherever or does it have to stay where it is?
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no it does not move you get \((n+1)!\) for this one
Okay thank you VERY much. Sorry for all the questions, just joined Data Management 2 weeks late. Have a lot of catching up to do.
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