I've been doing this for a while and I cant get the same answer as the book. Im just going to give the problem first to see if you guys end up where I did, please explain your work.(adsbygoogle = window.adsbygoogle || []).push({});

[tex]\int x cos5x dx[/tex]

I can solve it just fine using integration by parts but I dont get the right answer

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# Homework Help: Can't get this integral right

**Physics Forums | Science Articles, Homework Help, Discussion**