已知
、
、
为两两不相等的实数,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c665c2b8d8a803ab64196bffe3042314.png)
2020高三·全国·专题练习 查看更多[3]
(已下线)专题34 不等式(知识梳理)-2021年高考一轮数学单元复习一遍过(新高考地区专用)(已下线)专题34 不等式(知识梳理)-2021年高考一轮数学(理)单元复习一遍过(已下线)专题34 不等式(知识梳理)-2021年高考一轮数学(文)单元复习一遍过
更新时间:2020-11-26 08:59:15
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解答题-问答题
|
较易
(0.85)
解题方法
【推荐1】(1)设不等式
的解集为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
①求集合
;
②若
,试比较
与
的大小.
(2)若
,证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa3dfe9b6b35c82c1031cca15257a7d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
①求集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a2b85186925658e66d8541a5645269e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdaba8b1591046933f2f725b6b1bff7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20d6fc9b90f370fbb27552876b650f8f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2a6f362a7f8f972d6b329a882e940d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba9c88a847d8483a887b088159c7c0f1.png)
您最近一年使用:0次
解答题-问答题
|
较易
(0.85)
名校
【推荐2】设不等式
的解集为M.
(1)求集合M;
(2)若
时,试比较
与
的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70be21d700725c712cd7a0f489480c49.png)
(1)求集合M;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a2b85186925658e66d8541a5645269e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdaba8b1591046933f2f725b6b1bff7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20d6fc9b90f370fbb27552876b650f8f.png)
您最近一年使用:0次