解下列关于
的不等式:
(1)
;
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff46f887fd4623b2082adacf0ba6d607.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07d6e73b8ac91714ea9e82a20b1174c9.png)
更新时间:2019-11-14 09:36:49
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解答题-问答题
|
容易
(0.94)
解题方法
【推荐1】求下列不等式的解集.
(1)
;
(2)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7deaf1d77a7a53aa405307754e9c73c8.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/feef93b944e945d8361034abe5b4f358.png)
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【推荐2】求下列不等式的解集:
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/381e764024cf7ebcfecd9b32703d5fc9.png)
(2)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94bb23269874ab8ffbe057d286ec9b12.png)
(3)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec94a4372a5c354390dfa95f7c5347f1.png)
(4)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7eff52e19f18117bed6db84a8cbd002.png)
(5)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/841f18e21633f5071b9d1a7100b35cce.png)
(6)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/381e764024cf7ebcfecd9b32703d5fc9.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94bb23269874ab8ffbe057d286ec9b12.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec94a4372a5c354390dfa95f7c5347f1.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7eff52e19f18117bed6db84a8cbd002.png)
(5)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/841f18e21633f5071b9d1a7100b35cce.png)
(6)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21b5cfd9557c3f5b89b062b0aa970390.png)
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名校
【推荐1】已知命题
实数
满足不等式
,命题
实数
满足不等式
.
(1)当
时,命题
,
均为真命题,求实数
的取值范围;
(2)若
是
的充分不必要条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51441c8788ff11be766766227793246d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb4c64dbe7603a0678b28c979f548713.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce20ef9c08e82df8c7f45bac6dd31d36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f88ff53e42090c2a72a5a8c6bdaddbe6.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
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解题方法
【推荐2】已知函数
的定义域为集合
,函数
的定义域为集合
.
(1)当
时,求
;
(2)若
,求实数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5afa56ddaddfdd249fe60375f73f720.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09da7354d168220d8f8c98c920f76401.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8a3cc8c48bf54ec8252e5dce6867754.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/551fd8cd8ea61d794c13074ccd7d6c4e.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a5a2334a6a76eddcd2bb900a4e92ca3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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