Problem

Refer to Problems 119, 121, and 123. Show that the harmonic mean of a and b equals the g...

Refer to Problems 119, 121, and 123. Show that the harmonic mean of a and b equals the geometric mean squared, divided by the arithmetic mean.

Reference 119 , 121, 123

119.

121. Geometric Mean If 0 < a < b, show that a < < b. The number is called the geometric mean of a and b.

123. Harmonic Mean For 0 < a < b, let h be defined by Show that a < h < b. The number h is called the harmonicmean of a and b.

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Solutions For Problems in Chapter 1.5