[itex]\int_0^{y-x} (y-x)^3f[x] dx[/itex](adsbygoogle = window.adsbygoogle || []).push({});

I really don't know what integration method that should be used to solve this. I would really appreciate anyone pointing me in the right direction, this problem is frustrating me! I tried integration by parts but it doesn't really get me anywhere.

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# Homework Help: Need Help with Integral : undefined function integrand

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