解题方法
1 . 曲线
的参数方程为
(
为参数),则曲线
的离心率![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e49877a18188a806e5bc312264796bf.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41e22147bb190743ddc7dd3537a14167.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e49877a18188a806e5bc312264796bf.png)
您最近一年使用:0次
2022-07-25更新
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189次组卷
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3卷引用:陕西省西安市蓝田县2020-2021学年高二下学期期末文科数学试题