Mathematics · Inequalities
If a and b are two positive real numbers, which of the following inequalities is always true?
- 1a + b2 ≥ √(ab)✓
- 2a + b2 = ab for all a, b
- 3a + b2 ≤ √(ab)
- 4a + b2 < √(ab)
Correct answer
a + b2 ≥ √(ab)
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