已知命题
,且
,命题
,且
.
(1)若
,求实数
的取值范围;
(2)若
是
的充分条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fa3ce35f134bf2d3ede948a90653247.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b987afd812bfd513b38d8a635e9b126.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b4392609f63fcb931c45d779be927a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5f49352555b8a74c291291f3be4aab9.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9c4a700c08d3552f11539bbd2427722.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02475842a0c8318db41c5c38c3af7e66.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a037d29525d118dc083dc3e5e808ca2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
更新时间:2016-12-05 00:52:10
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