📐 MathLevel 15 — 🟡 AdvancedAlgebra👁 19 views⏱ 2 min read
Giải: Cho a, b, c > 0 thỏa mãn abc = 1. Chứng min…
📝 Problem
Cho abc = 1\frac{1}{a^3(b+c)} + \frac{1}{b^3(c+a)} + \frac{1}{c^3(a+b)} \ge \frac{3}{2}$.🔒 9 steps remaining
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