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HMMT 二月 2008 · GEN2 赛 · 第 6 题

HMMT February 2008 — GEN2 Round — Problem 6

专题
Contest Math / 竞赛数学
难度
L3
来源
HMMT

题目详情

英文原题

  1. [ 4 ] Determine all real numbers a such that the inequality | x + 2 ax + 3 a | ≤ 2 has exactly one solutionin x . n
解析

英文解析

  1. [ 4 ] Determine all real numbers a such that the inequality | x + 2 ax + 3 a | ≤ 2 has exactly one solutionin x .
    Answer: 1 , 2 Same as Algebra Test problem 3. n