Hey everyone, i'm having a hard time with this double integral here: [ I don't know how to work with the module part.
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$|x-y| = \begin{cases}x-y & x\ge y \\ y-x & y\ge x\end{cases}$ So, you need to split up the integral: $\displaystyle \int_0^1 \left( \int_0^x (x-y)dy + \int_x^1 (y-x)dy \right)dx$
Thank you
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