名校
1 . 已知集合
,集合
.
(1)当
时,求实数a的值;
(2)若命题
,命题
且p是q的充分不必要条件,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cee66abc1db4bd9f7f81e98af1b848b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7687c2a5f36c3e54bf3f9324e4a51764.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46a70d32c64918aa4d1d9d3ce0bdbf7b.png)
(2)若命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fc11e9183ffccd297df4a1c18618bae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/218c5309e534904dc6bf768074965239.png)
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2 . 已知集合
,函数
的定义域为集合
,若
,求实数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6a53c5e248daeeec152a1b8ceb7b6a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/693834ca7aa3131d2ddf38dca24d3b40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46a70d32c64918aa4d1d9d3ce0bdbf7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次