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:四川省眉山市2022届高中第三次诊断性考试数学(文史类)试题
名校
2 . 已知函数
,
.
(1)当
时,求不等式
的解;
(2)对任意
.关于x的不等式
总有解,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35074d85cfbe98e93af5de2cf0265db5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1389ae08af915880133e2dcc8a237a12.png)
(2)对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe4ac95c06245c4aed54c9b55ac4c54b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7825fcbb1558835381dce20406ebf9a2.png)
您最近一年使用:0次
2020-06-04更新
|
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8卷引用:四川省眉山市仁寿第一中学校南校区2024届高三下学期高考模拟考试(四)文科数学试题