MQ81 --- Inequality
MQ81 --- InequalityDifficulty: 50%Given a, b, c ∈ ℝ.Show that a/(b + c) + b/(c + a) + c/(a + b) ≥ 3/2.
回答 (2)
a, b and c can be negative? If so, should restrictions a + b =/= 0, b + c =/= 0 and c + a =/= 0 be imposed?
收錄日期: 2021-04-13 19:28:36
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20130522000051KK00042
檢視 Wayback Machine 備份