Calculate and student this integral :

Same question :

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- Jan 2nd 2010, 09:33 AMdhiabIntegral-serie
Calculate and student this integral :

Same question :

- Jan 2nd 2010, 09:39 AMpomp
You haven't shown any working, you rarely do. I can never tell if you're asking for help or posing a question which you know the answer to.

If you are seeking help then you should really show what working you have done and where you get stuck.

Here's a hint for the first one

Hope this helps. - Jan 2nd 2010, 11:45 AMKrizalid
As for the second question, the integral obviously diverges for so the only interesting case to analyze convergence is Here's a Hint: the integral converges for all Prove it.

- Jan 2nd 2010, 01:18 PMDrexel28