Green's function for a boundary value problem

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Nipon
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Homework Statement


I try to integral as picture 1.
The result that is found by me, it doesn't satisfy Green's function for boundary value problem.

Homework Equations

The Attempt at a Solution


show in picture 2 & picture 3.
 

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Welcome to the PF :smile:

@Nipon -- we strongly prefer that you post using LaTeX math notation (see INFO, Help/How-To at the top of the page for a tutorial), but we are rounding up some help for you on this first post of yours. You have shown a lot of effort, which is the primary thing that we look for here. Posting your work in images is problematic for a number of reasons, though, so if you get a chance before there are more replies, it would be great if you could look over the LaTeX tutorial, and add a reply with the problem statement and your work in LaTeX notation. Thanks.
 
Upon further review, we will need this to be re-posted as a new thread using LaTeX notation. Just one example of a problem is what you are trying to say with "G" notation? Please read through the LaTeX tutorial thread and start a new thread with your question. Feel free to send me a message if you have questions about how to post (click on my avatar and select Start a Conversation). Thanks! :smile:

upload_2018-12-10_17-31-44.png
 

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