已知集合
,若“
”是“
”的必要条件,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2734eb47be65e4dae77e3631ada4675b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
更新时间:2022-10-13 17:09:57
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【推荐1】已知
:
,
:
,若
的充分不必要条件是
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
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解答题-问答题
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适中
(0.65)
解题方法
【推荐2】已知不等式
的解集为集合A,集合
.
(1)若
,求实数m的值;
(2)若
是
的必要条件,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cce66ea8d81788f94a2e093c3b0e246.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/991cce2f0c6623e729753679563921fa.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7fef9f78cdc1f4b32ad56cd51a8cd3a.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
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解答题-问答题
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适中
(0.65)
【推荐1】已知命题
,
恒成立;命题q:曲线
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(1)求集合P;
(2)若
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bea9702708f8463975c94119fa50f61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87417567bf8062aa269dd43e4729a800.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da26a297f19e25b7e41fea4ee0cb1a6c.png)
(1)求集合P;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/320a7c616f6f7207a0a38bb707ac2205.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3591abc88bdadaf5fee459f4620fbd47.png)
您最近一年使用:0次
解答题-问答题
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适中
(0.65)
名校
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【推荐2】已知
,
.
(1)若
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(2)若
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的必要不充分条件,求实数
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d9ac787ad978636379447269af3cdd3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd4520efc681d334b6bce54bc4ef2034.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/320a7c616f6f7207a0a38bb707ac2205.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c8647b00cc8c8f35555c7d78cf2812c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63011498e73731346645de7100f55ab3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8eeb85adb0acb8cd29bbaf38eff25d70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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