(1)关于
的方程
有两个不相等的正实数根,求实数
取值的集合;
(2)不等式
对任意实数
都成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6148961d2673ccbe7c5de65de674688d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc73b2c5d6a1cb987507335a13b10046.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
16-17高二上·辽宁鞍山·期中 查看更多[5]
更新时间:2016-12-05 01:41:54
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【推荐1】已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ba3576add4db0503906c60853c198ab.png)
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(2)求解关于
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【推荐2】已知全集
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(2)当
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【推荐2】已知命题
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19bcae54385d6e3b683b59cda2336175.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/900e725a722c21a81632310c69eec03d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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