11-12高二下·辽宁大连·期中
名校
解题方法
1 . 如图所示,直线
与抛物线
交于
两点,与
轴交于点
,且
,
(1)求证:点
的坐标为
;
(2)求证:
;
(3)求
面积的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e8953ded144195804384dcb494d5e2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4daf40bad1cc89311930cce356672354.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77d681a7a9830fe11598654e141aa28e.png)
(1)求证:点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53a948d2f7732d7f03e986c63712089b.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3825ccc273ef9a672a606432d165b866.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866b81a8384cce4f24867baca2e6820c.png)
![](https://img.xkw.com/dksih/QBM/2018/1/3/1852660358438912/1853172702126080/STEM/35dca44a68d945a9b7154d43765efc44.png?resizew=278)
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2018-01-04更新
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4卷引用:吉林省吉化第一高级中学校2019-2020学年高二上学期期末数学(理)试题
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