名校
1 . 已知集合
,
.
(1)当
时,求
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fa4e8bedff213b226546c464789cc1e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47328164a0bc1eae201ca1f3220648f5.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e94f16d5ed858699bfea5039a7bf8ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f2e7750d63adaaf196ad930c2d27d78.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2022-11-28更新
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2卷引用:2022年黑龙江省哈尔滨工业大学附属中学校高二学业水平测试数学练习试题