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[几何] 求证轨迹是双曲线

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hbghlyj Posted at 2020-8-3 10:15:27 |Read mode
Screenshot_2020_0802_174206.png
∠BAD=∠EAC,F在直线AB上运动,∠FDA=∠AEH,∠FEA=∠ADH,求证H的轨迹是过A的双曲线,一条渐近线平行于AC
以上均为有向角

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 Author| hbghlyj Posted at 2025-3-11 18:28:23

手机版Mobile version|Leisure Math Forum

2025-4-20 21:59 GMT+8

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