1 . 记抛物线
的焦点为F,点M在抛物线上,若
,且
,则抛物线C的准线方程为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e6c830bfa9a1b979a1a9665166424bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/347c1b863609232631f656833649ff7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94b6382711aeef8658144090bc37dd5f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2 . 已知双曲线
的两条渐近线分别与抛物线
的准线交于
,
点,
为坐标原点.若
的面积为1,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efcdffc9a7895f1072fb91a12c02a9a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/745de5ef1fd897d16e37464172d5e8c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fd2981bf2261343f905ec1b5355a3c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.1 | B.![]() | C.2 | D.![]() |
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