## 22 Sep 2013

### OEMO Beginners 2000 Q2: Middle Secondary Mathematics Competition Question

Let a and b be positive real numbers. Prove that the inequality

$\frac{(a+b)^3}{a^2b}\geq\frac{27}{4}$

holds.

When does equality hold?

[OEMO Beginners 2000 Q2]

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