x轴有定点f1、f2，p为动点，若lnf1p Lnf2p为定值a，则p的轨迹方程是怎样的？ 知乎 Sketch Coloring Page

x轴有定点f1、f2，p为动点，若lnf1p Lnf2p为定值a，则p的轨迹方程是怎样的？ 知乎 Template

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tomskix轴有定点f1、f2，p为动点，若lnf1p lnf2p为定值a，则p的轨迹方程是怎样的？ 知乎 coloring

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