OK, last problem. What is ? Could I combine the sums? I am unsure of how to, though.
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Combine?! Why would you want to do that?
You can pull out the "n!" and the .
That might give you somewhere to go.
1) Does the inner-sum converge?
2) Does the alternating sign out front make it any better?
I am getting that the sum goes to infinity- is this right?
If you mean, "Increases Without Bound", that could be closer.
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