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[几何] 三相似椭圆问题的解答

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hejoseph posted 2023-4-6 10:28 |Read mode
Last edited by hejoseph 2023-4-7 10:39问题来自几何微信群的用户张德鹏,这是我的解答
分别以点 $B$、$C$ 为焦点,以点 $C$、$A$ 为焦点,以点 $A$、$B$ 为焦点的三个椭圆相交于同一点,三个椭圆是相似的,求离心率以及交点位置。
$type 三个相似椭圆.pdf (35.87 KB, Downloads: 60)

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original poster hejoseph posted 2023-4-10 11:07
点 $P$ 的作图方法,如下图:
1.png

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