AM–GM inequality (n positive numbers) (Arithmetic mean is at least geometric mean; equality iff all xᵢ equal)
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Arithmetic mean is at least geometric mean; equality iff all xᵢ equal
What each symbol means
| Symbol | What it stands for |
|---|---|
| x_i | Positive real numbers |
When to use this
All xᵢ > 0; equality iff x₁ = … = xₙ.