[tex]\int[/tex]|x|(adsbygoogle = window.adsbygoogle || []).push({}); ^{2}with respect to the vector x in the unit ball in R^{n-2}

I'm dealing with volumes of unit balls in R^{n}and after applying a change of variable to the last 2 components and Fubini's Theorem, I get that integral and can't find a way to integrate it. Any help on this?

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# Integrating a norm

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