解题方法
1 . 已知
,不等式
的解集为
.
(1)求实数a的值;
(2)若
,
,
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/604b0b258a7c7ceed8dd18cdf4d834d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e36942bbd73cbe1d94cf54c50732d323.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cda591d3909af06eabf6b37c65bfe571.png)
(1)求实数a的值;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b140e221ddf537b8964fff8557cca0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de8610232c77741a37463feba1a66c94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/367d01fc8623dfdf438455bfcd3b3186.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfb48d5bdcc1fb1b009715a500ec9331.png)
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2022-05-10更新
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4卷引用:四川省乐山市2022届高三下学期第三次调查研究考试数学(理)试题