已知集合
,
.
(1)若
,求
的取值范围;
(2)若“
”是“
”的充分不必要条件,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9552fe32f8b3099f8b1d674d67f20ff1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f65e06164b70e599a3881eb246467a82.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea9a4259cca10c1f5af28e621ebafd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
19-20高三上·山东德州·期中 查看更多[8]
更新时间:2019-11-28 22:34:49
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适中
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名校
【推荐1】已知集合
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c83643d7d0a51eccba7fc7c2895d106.png)
(1)若
,求实数m的取值范围;
(2)若
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c83643d7d0a51eccba7fc7c2895d106.png)
(1)若
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(2)若
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解答题-问答题
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适中
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解题方法
【推荐2】已知集合
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(2)若
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9622e3c6af524423ebfa7b5df0376c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9dcf116fb07e47712cf3c1cfadd974fc.png)
(1)若
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(2)若
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【推荐1】设命题p:若实数x满足x2﹣4ax+3a2≤0,其中a>0;命题q:实数x满足![](https://img.xkw.com/dksih/QBM/2016/3/28/1572560182697984/1572560188735488/STEM/f3aa842fc33740fe9c85c0333ddc1472.png)
(1)若a=1且p∧q为真,求实数x的取值范围;
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![](https://img.xkw.com/dksih/QBM/2016/3/28/1572560182697984/1572560188735488/STEM/f3aa842fc33740fe9c85c0333ddc1472.png)
(1)若a=1且p∧q为真,求实数x的取值范围;
(2)若¬p是¬q的充分不必要条件,求实数a的取值范围.
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【推荐2】已知集合
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(2)若
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cb9ba78e1baac99a8836b10f139a58e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2929a5bd79f913b6771a5c45206b7a96.png)
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(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
您最近一年使用:0次