PROBLEM 3:

due by 3 PM, Friday September 8, 2000

Prove the following for any positive real numbers a and b:

$$\frac{a+b}{2}\geq \sqrt{ab}\geq\frac{2ab}{a+b}$$

Solutions, questions and/or comments should be directed to Judy Downey or Griff Elder

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Last modified:   Mon Sep 4 11:16:32 CDT 2000