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Thread: Double integral problem

  1. #1
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    Unhappy Double integral problem

    Hey everyone, i'm having a hard time with this double integral here:
    [Double integral problem-20180307_104941.jpg

    I don't know how to work with the module part.
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  2. #2
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    Re: Double integral problem

    $|x-y| = \begin{cases}x-y & x\ge y \\ y-x & y\ge x\end{cases}$

    So, you need to split up the integral:

    $\displaystyle \int_0^1 \left( \int_0^x (x-y)dy + \int_x^1 (y-x)dy \right)dx$
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  3. #3
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    Re: Double integral problem

    Thank you
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