2014高三·安徽·专题练习
解题方法
1 . 设函数
,且
,
,求证:
(1)
,且
;
(2)函数
在区间
内至少有一个零点;
(3)设
、
是函数
的两个零点,则
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/331d5e308cd5469e0f28a8d75f79903f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5bc4ca32cda229340a7fce43f9d0037.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/799f6009a476fa056e1af71f26dd2fd0.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c42f148508576752d87c43c2526eec5.png)
(2)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afa482d7bcaa385bfc3548b42a4bfb60.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56cecca2d4473ac3e46705a4d5f615dd.png)
您最近一年使用:0次
2 . 设二次函数
,方程
的两个根
满足
.
(1)当
时,证明:
;
(2)设函数
的图象关于直线
对称,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8ee0bd8a541d6c1057325f7f4287a64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54ce1d0d23531eba7c795b2f53a5b280.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57cfda1c04b6eaeb5e78018539c2880e.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/654999361ddc18f7330b36a535c99c9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf85fac81ccb29ad30c0aeb09620f42e.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11abb76da45ffa52b47c3a6b9a03ac7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0178cdfe12c03ce5b50378c71471035.png)
您最近一年使用:0次
2017-03-01更新
|
1586次组卷
|
5卷引用:2017届安徽省池州市东至县高三12月联考数学(理)试卷