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Can anybody help me solving this?
Write in terms of factorials
n((n^2)-1)
The correct answer is
(n+1)!/(n-2)!
but I don't know how to get there, and since it's week- end I have no chance to ask anyone teachers, etc.
//Martin
Write in terms of factorials
n((n^2)-1)
The correct answer is
(n+1)!/(n-2)!
but I don't know how to get there, and since it's week- end I have no chance to ask anyone teachers, etc.
//Martin