1 . 直线
(
为参数)被曲线
所截的弦长为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d9acff80a7bb679893399bb2b5b1087.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/750554ecc92c31c948261f201386a5da.png)
A.4 | B.![]() | C.![]() | D.8 |
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2017-03-18更新
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3卷引用:河南省焦作市第一中学2022-2023学年高二下学期4月模拟检测数学试题