I am trying to prove an idientity I have come accross in a book:

I have managed to prove,

using various facts such as

- ,
- and .

But I can't prove the above more difficult identity. Can anyone help me with this?

Thanks for reading.

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- November 22nd 2011, 07:52 PM #1

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- November 22nd 2011, 11:10 PM #2

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- November 23rd 2011, 12:18 PM #3

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## Re: Big Oh question

This is precisely the part I was stuck on, was not sure how to deal with all terms that arise from the 3rd order expansion of the "big" log term on the right. But then I realized the term absorbs most of them.