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Help with equation

  • Thread starter Ry122
  • Start date
  • #1
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http://users.on.net/~rohanlal/glgl.jpg [Broken]
I don't understand how the 2nd line changes to what is shown in the 3rd line.
What rule is applied here?
 
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Answers and Replies

  • #2
dx
Homework Helper
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Use integration by parts.
 

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