I have shown that:
However I don't how I can explain why:
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Here is your answer: Logarithmic integral function - Wikipedia, the free encyclopedia
Originally Posted by signature I have shown that:
However I don't how I can explain why: First note that .
Let . Now integrate by parts: .
What's left to show is . I'll let you do it... apply L'hopital's rule to get it.
Last edited by chiph588@; June 7th 2010 at 08:12 AM.
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