11-12高二下·广东云浮·期中
名校
1 . 已知
,求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3c270c7508ec18bfae26af47763aab7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99a737185eb85ca24cf66409ce1e09bc.png)
您最近一年使用:0次
2016-12-01更新
|
846次组卷
|
7卷引用:2011-2012学年广东省罗定市高二下学期期中质量检测文科数学试卷
11-12高二上·广东广州·期中
解题方法
2 . 设二次函数
,方程
的两个根
满足
.
(1)
,求
的值
(2)设函数
的图象关于直线
对称,证明:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0178cdfe12c03ce5b50378c71471035.png)
(3)当
时,证明:
;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/939bbb318f51d31bde037e3269af8e1c.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)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c25956a177fb869f5d1ca7698cf79aeb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c847f857b8d1788d4ba414b82840ef5e.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)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e37902f139fee3d5a5ac74b21b0a0e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54d1dd3404fb98900ee6ca634596b396.png)
您最近一年使用:0次