解题方法
1 . 化简求值:
(1)
;
(2)已知
,求
的值.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e132cf0a6b2dd7049cf07c0e38d00d2.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/573e1c0d7cedbd7581b8401d64fdba44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b61fa45965615e797db3a96381a63e53.png)
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名校
2 . 化简计算:
(1)
;
(2)设
,求
的值.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/565bebf8472f3764fa1ca597cca561aa.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275afa38f5f1e4a53bd503f3e1b22a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ecd5f251e8a94a611cc98d239ff9575.png)
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2020-08-16更新
|
1246次组卷
|
3卷引用:河北省衡水市冀州区第一中学2020-2021学年高一上学期期末数学试题
解题方法
3 . 已知函数
的图象与
轴的交点中,相邻两个交点之间的距离为
,且过点
.
(1)求函数
的解析式;
(2)当
时,
,求
的值;
(3)当
时,关于
的方程
恰有两个不同的实数解,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f951d1221d93c70ee3424b063b6ae5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1ad72d7565699d1ebb741eb0ce12bac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6568425e4333a5d700227b17a4d5c12.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c5a69338684ba5d6491edbf624396e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4443d42de2db7505b7a901e51ac74d21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/868d5ceadd7298807eeec415fa24d39c.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d39785882ece12b690f62864ee145794.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/338316b0fe50fdea0f2f75aec4c990dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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4 . 已知
,
,函数
.
(1)求函数
图象的对称轴方程;
(2)若方程
在
上的解为
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d9e28dc4c23c1c27d4a85a31cee1b6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76628ba16e1fb613f87c08a40eaba0de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cce79946192fc212d7f91b03688c023.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80d411d11083e44ecf1881529ecd63e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbfe8e7fb253685e0e50bae0c5482314.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57858d12900e4c69fb9dc4287f7e8c06.png)
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