1 . 如果关于x的方程
有两个实数解,那么实数a的值是_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee32a49a7a4810e635ee760c2f2c90dd.png)
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2011·甘肃天水·一模
解题方法
2 . 已知
为奇函数,
的解集为
,
的解集为
,其中
,则不等式
的解集为_______________ ;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c0ed188d083966baaae94e6b86064f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/018857ec6e498113b3b12a730d9313da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42f64e633fbe3833388dc8386ec44d51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eee31b9dffcd91ff2f5477410bc09f95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cb356e095704654f7bd7c6e0402a394.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec77aea90f8e86c09e7d877c9f32ec43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9795048c0752ac17568f4f1d98d18299.png)
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10-11高三·江苏南通·阶段练习
3 . 定义在
上的函数
的图象过点
和
,对任意正实数
,有
成立,则当不等式
的解集为
时,实数
的值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae4f316052640ce33b7dd977af3f5549.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47406b9cc9e75263c7b59b7d4d4990de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f8cf657586e12574d7f4d88809f8db7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ccddfbfe50c5748273da0d9ba225ed4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20aa36cae34afaa391a4319c9c5eb87a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
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