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22/7 > pi by integral

  1. Dec 7, 2006 #1
    Hi
    Can someone show me from step one how to show that 22/7 is greater than pi. I dont really know how much im asking here, but thanks in advance
     
  2. jcsd
  3. Dec 7, 2006 #2

    berkeman

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    Staff: Mentor

  4. Dec 7, 2006 #3
    Try to construct a non-negative function whose integral on [0,1] is equal to 22/7 - pi. If the function is non-negative, then the integral has to be positive, which means 22/7 > pi.
     
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