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曲线通式#

v3qjr8.jpg ↗

记,则

椭圆抛物线双曲线
解析几何
https://betteroier.github.io/blog/%E8%A7%A3%E6%9E%90%E5%87%A0%E4%BD%95
Author Yuxuan Zheng
Published at August 10, 2022