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A volume question with improper integral

  1. Jan 24, 2008 #1
  2. jcsd
  3. Jan 24, 2008 #2


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    Where did you get the idea that e-2x goes to infinity as x goes to infinity! Look at the graph you drew! e-x, and certainly e-2x, goes to 0 as x goes to infinity.
  4. Jan 24, 2008 #3
    thank you
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