如图所示,沿直线
发出的光线经抛物线
反射后,与
轴相交于点
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df5be1440d099f464ef46dee39de6010.png)
____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd24f3c4bc9f9a75d4b28630bb630d2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7089148c36cb3c39af71de653756396a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/448c0a5ee776d19ce8e42ac9a5fd27c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df5be1440d099f464ef46dee39de6010.png)
![](https://img.xkw.com/dksih/QBM/2023/4/24/3223322596827136/3273683238486016/STEM/8db8a8e7f9514c6e87852a25215cecb0.png?resizew=84)
22-23高二上·全国·课后作业 查看更多[1]
更新时间:2023-07-04 15:08:30
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【推荐1】若抛物线y2=2px(p>0)的焦点也是双曲线x2-y2=8的一个焦点,则p=______ .
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【推荐2】直线
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