已知全集
,集合
,
.
(1)若
,求
和
;
(2)若
,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86ccaf2fb1174d9314c3e9b07846059c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ab1e1f4a12be51536c853eb025846cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59c8ccfeb0b6fdd525fd8de2bd347f76.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8a3cc8c48bf54ec8252e5dce6867754.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e37ef17594606777961cecf5802b3e2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea9a4259cca10c1f5af28e621ebafd6.png)
更新时间:2023-12-11 14:22:41
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【推荐1】阅读下面题目及其解答过程.
以上题目的解答过程中,设置了①~⑤五个空格,如下的表格中为每个空格给出了两个选项,其中只有一个正确,请选出你认为正确的选项,并填写在答题卡的指定位置(只需填写“A”或“B”),
已知函数![]() (1)证明: ![]() (2)证明: ![]() ![]() 解:(1) ![]() ![]() 因为对任意 ![]() ![]() ![]() ![]() (2)③________ ![]() ![]() ![]() ![]() ![]() ![]() 因为 ![]() 所以 ![]() ![]() ![]() 所以 ![]() ![]() 所以 ![]() ![]() |
空格序号 | 选项 |
① | A.![]() ![]() |
② | A.![]() ![]() |
③ | A.任取 B.存在 |
④ | A.![]() ![]() |
⑤ | A.![]() ![]() |
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