SOLUTION: find the middle term of (2x-1/x)n ?

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Question 443107: find the middle term of (2x-1/x)n ?
Answer by swincher4391(1107) About Me  (Show Source):
You can put this solution on YOUR website!
I think your asking for the middle term in this %282x+-%281%2Fx%29%29%5En.
When n is even, then the [(n/2) + 1]th term is the middle term.
When n is odd, then the [(n+1)/2 and (n+3)/2]th terms are the middle terms.
That's all I can do with this.