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[不等式] 不等式问题

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lrh2006 posted 2016-4-11 11:50 |Read mode

求指点，谢谢！

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original poster lrh2006 posted 2016-4-11 14:56

是不是太简单了你们都懒得说？为毛我一点思路都没有

，求帮助，谢谢！

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isee posted 2016-4-11 14:58

回复 1# lrh2006

仅从选项上看，B正确：$a>1,4a>4,4a+(b-2)^2>4$，展开整理就是B

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original poster lrh2006 posted 2016-4-11 15:03

回复 3# isee

答案是B.

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