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Math Help - Rieman sum

  1. #1
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    Rieman sum

    find the midpoint Riemann sum approximation of \int_{1}^{5} f(x)dx by dividing into two equal subintervals using the given values of x and f(x)

    x | f(x)
    1 15
    2 10
    3 9
    4 6
    5 5

    the answer is 14 according to the answer key.

    the two intervals should be 1 to 3 and 3 to 5.

    I am getting anything but 14
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  2. #2
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    Re: Rieman sum

    nevermind, solved. the answer is 32, looked at the wrong answer
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