Mathematics · Averages and Means
Between two quantities, if α is one arithmetic mean, and β and γ are two geometric means, then which of the following equations is true?
- 1βγ + γβ = 2α
- 2√βγ = α
- 3β + γ = 2α
- 4β2γ + γ2β = 2α✓
Correct answer
β2γ + γ2β = 2α
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