若抛物线
的焦点与双曲线
的右焦点重合,则
的值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fc58c62444bf42a25289c45425a00f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7eceedd07a7f0b95ea2bb7512f72c00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
20-21高三上·广东·阶段练习 查看更多[5]
更新时间:2020-09-05 19:17:27
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【推荐1】已知双曲线E:
的一个焦点与抛物线C:
的焦点相同,则双曲线E的渐近线方程为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c44b5f3e53e5b38bf1618a62ba939b54.png)
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【推荐2】过双曲线
的左、右焦点作两条相互平行的弦
,
,其中
在双曲线的左支上,
在
轴上方,则
的最小值为______ ,当
的倾斜角为
时,四边形
的面积为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e1fa37c4c826b5dcfebe86ab6177906.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac1a63ab608517bb10aa036783dfb51f.png)
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【推荐1】已知F1,F2分别是双曲线3x2-y2=3a2(a>0)的左、右焦点,P是抛物线y2=8ax与双曲线的一个交点,若|PF1|+|PF2|=12,则抛物线的准线方程为________ .
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【推荐2】已知双曲线
的两条渐近线与抛物线
的准线分别相交于点
两点,
为坐标原点,若双曲线的离心率为
,
的面积为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df5be1440d099f464ef46dee39de6010.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3040b6c904477030ecf8ba20b2b18759.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7089148c36cb3c39af71de653756396a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38387ba1cadfd3dfc4dea4ca9f613cea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df5be1440d099f464ef46dee39de6010.png)
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