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MathNet 2001 — Part 01 Question 38

Math Olympiad Vault · MathNet 2001 — Part 01

Question 38

Prove: The inequality holds for the positive real numbers $a$, $b$, $c$
$$
\frac{a}{\sqrt{(a+b)(a+c)}} + \frac{b}{\sqrt{(b+a)(b+c)}} + \frac{c}{\sqrt{(c+a)(c+b)}} \leq \frac{3}{2}.
$$