CT6 Ch2 page 7 integration

Discussion in 'CT6' started by wzlee12, Jul 4, 2017.

  1. wzlee12

    wzlee12 Member

    As per title, may I know why we can use the approximation "typical value of function * width of interval" in the example?

    Thank you and have a good day! :)
     
    wzlee12, Jul 4, 2017
    #1
  2. John Lee

    John Lee ActEd Tutor Staff Member

    It's using the rectangle rule approximation for the area under a small strip of the graph.
     
    John Lee, Jul 10, 2017
    #2
    wzlee12 likes this.

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