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Homework Help: I need help solving this problem

  1. Oct 18, 2007 #1
    I am having troubles doing the midpoint rule.. i guess I just need a step by step explanation. for instance

    n=3 a=1 b=3 x^2 dx

    approximate
     
  2. jcsd
  3. Oct 18, 2007 #2
    Riemann integration for x^2 on the interval (1,3)? Divide your interval into 3 equal sections, determine the middle of each section. Sum the area of the rectangles generated by the height determined by the value of x^2 at the midpoint and the appropriate base.

    Really now, this is probably in your textbook.
     
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