解下列不等式:
(1)
(2)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85e38e7a789200080dde651cb2b59799.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74e70734d72c31d1591280cb8bce6587.png)
2021高一·全国·专题练习 查看更多[1]
(已下线)第一讲 一元二次不等式-2021-2022学年高一数学同步配套教材讲与练(人教A版必修1+必修4)
更新时间:2021-08-26 12:13:42
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【知识点】 分类讨论解绝对值不等式解读
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【推荐2】已知函数
.
(1)求不等式
的解集.
(2)若函数
的最大值为
,设
,
,且
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59949a4d8dfd6790a77b7d929a628680.png)
(1)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/257e0a13428a004a923b59d092cf77de.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca5fd57c2c2fcc3c7a574fdd1467d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab04de6651256f6281e9f4c1dc3c7955.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2473d5d7f07c70c5b6f904d9e5780b85.png)
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