求下列不等式的解集:
(1)
;
(2)
;
(3)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e011b337fdb8459ca5006b772136c039.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd1b59a1bae9d31df7b4bb0a6a12e0ae.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fafa5100af344cb7c0c68466b498e539.png)
更新时间:2023-12-20 11:07:14
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【推荐3】已知集合
,集合
.
(1)求
;
(2)设
,若
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a48d0574a36d3e26e7911e11a5f116ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f83f852477dc28bf470cc0fd1985dab.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a475a1b56c9f1d1ae65f96d45de90952.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bceadace1203c952133a314382461dd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/124bef0597422af27c81a506a6f65197.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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【推荐1】设命题
实数
满足
:命题
实数
满足
,其中
.
(1)若
,且
为真,求实数
的取值范围:
(2)若
是
的必要不充分条件,求实数
的取值集合.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51441c8788ff11be766766227793246d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebff6619f0334a3494d94c6cacf2f2ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13472bf0353e16784a22e1f890fba40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ffc1bb9d53a27d484396ad74d6a26e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e26b38e357c7d985656ba7bb3c794a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8cc0b4997cae4d8aec791a1d3923314.png)
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【推荐2】设集合
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.
(1)若集合A是关于x的一元一次不等式的解,求集合A;
(2)若
时,求
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/103690120cf74e617ded20a75e7e0301.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fed18640fbc7a7acb35eb15bd80a74f.png)
(1)若集合A是关于x的一元一次不等式的解,求集合A;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8493a0cd10d3d0399173c04163740a38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
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