Upper and lower Riemann integrals of The Riemann Stieltjes Integral

  1. 1. The problem statement, all variables and given/known data
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    2. Relevant equations

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    3. The attempt at a solution
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    This is what I got so far. I haven't seen any similar problems like this, and this is my first attempt here. I wonder if I did it right. Can anyone check this for me?

    If you need additional explains or questions, let me know.

    Thanks in advance!
     

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  2. jcsd
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