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Midpionts in integrals

  1. Mar 20, 2009 #1
    1. let A be the area of the region that lies
    under the graph of f(x) = e^-x , between x=0 and x=2.

    1-Estimate the area using the sample point to be the midpoint and using fuor sub-intervals.
    x*1=(0+0.5)\2=1\4.
    x*2=(1+0.5)\2=3\4.
    x*3=(1+3\2)\2=5\4.
    x*4=(2+3\2)\2=7\4
    A=segma i=1 to n f(x*i) X delta x =0.8357

    I copied the answer from the board with my doctor but I didn't understand the solution
     
  2. jcsd
  3. Mar 20, 2009 #2

    Mark44

    Staff: Mentor

    What part of the solution did you not understand?
     
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