名校
解题方法
1 . 已知抛物线C:
的焦点
,直线
:
与抛物线C相交于不同的两点
.
(1)求抛物线C的方程;
(2)若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7089148c36cb3c39af71de653756396a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae045f9b7daebb9f15b8769575f62484.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/018d29fbd23afb4c465c9c5c8fd42eca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e52586ca2a3b783bc8092415e2d4bf6d.png)
(1)求抛物线C的方程;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e509deba699c04ef28eee118c1f5004b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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2021-08-11更新
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7卷引用:宁夏中卫市中宁县2022-2023学年高二上学期质量测查(期末)数学(理)试题