Question by Kayasari Ryuunosuke - Discuss with MathYouLike

Kayasari Ryuunosuke Coordinator

10/07/2017 at 20:22

Give a,b,c > 0 and abc = 1 .

Prove that : \(\Sigma\dfrac{a\left(3a+1\right)}{\left(a+1\right)^2}\ge3\)

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Naruto Chikara 11/07/2017 at 18:24

Please refer here :

Cho a,b,c>0 và abc=1. CMR: - K2PI – TOÁN THPT | Chia sẻ Tài liệu, đề thi, hỗ trợ giải toán
Kayasari Ryuunosuke selected this answer.

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