双曲线的几何定义与作图演示
2019-05-29 07:33
本范例通过GeoGebra动态演示双曲线的几何定义作图过程。利用双曲线上任意一点P到两焦点F₁、F₂的距离之差为常数这一定义，借助圆、线段中垂线、交点等几何构造工具，逐步构建双曲线轨迹。用户可拖动点观察PF₁与PF₂距离变化，直观理解双曲线的焦点、实轴、渐近线等核心概念，适合高中解析几何与圆锥曲线教学使用。
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