已知函数
,且不等式
的解集为
.
(1)求实数
的值;
(2)求不等式
的解集;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59f9dcf730d5cb2433c95b93608b990d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22e38c541dec8fce1d26886e5ef7d21f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2212ff6197f54b90043656737b1a716f.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(2)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14463135abf754c199c90c6e17a7be8d.png)
19-20高二上·湖南长沙·期末 查看更多[2]
湖南省长沙市浏阳市2019-2020学年高二上学期期末数学试题(已下线)第02章+一元二次函数、方程和不等式(A卷基础篇)-2020-2021学年高一数学必修第一册同步单元AB卷(新教材人教A版)
更新时间:2020-03-10 19:32:24
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【推荐1】求下列不等式的解集:
(1)
;
(2)
;
(3)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f41869049f91725cb0008bb9f4aeb76.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cebe83d65d76f61231c2778e384f184.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e03f5e2ce625506cc6901e3bbfd57616.png)
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解题方法
【推荐2】已知集合
与
满足
,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0b4492ef773d9427b6f49482be9d96b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1037c09957f8afd851d93fd862b588c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b05d2be27e8f53e4de3071846dffb41.png)
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解题方法
【推荐1】已知函数
,若
的解集为
.
(1)求
,
的值;
(2)当
为何值时,
的解集为
?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ff25d95715a757f65acdbcbab8a482c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a71baf6217604517fd98fa97d0f55b43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4704d8c41b9c1f4b4505929696fdf3a2.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0c697f32d89f4ef62a24ab3a5c73955.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
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解答题-问答题
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(0.85)
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【推荐2】已知不等式
的解集为
.
(1)求
的值;
(2)若向量
,
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5134151bee1701fa1fb868f2069cb42d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9974cb4b11dcdf6175bcdc9ef68e53df.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
(2)若向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e02a2530966362c93c56617f448f449c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ebd1fcda2ed6f7b77a144391ec9bc6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2951f400fca80d0053e102ac4094399e.png)
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