圆锥曲线的定义是凸显圆锥曲线几何性质的根源,是学习圆锥曲线的基础,在高考中占有举足轻重的地位。本文主要研究了离心率在椭圆、双曲线及抛物线中的应用,并结合具体的实例,进行了详尽的分析讲解。
The definition of conic section highlights the geometric properties of conic section,and is the basis for learning conic,which holds a pivotal position in the college entrance examination.The article mainly studies the use of eccentricity in the ellipse,hyperbola and parabola,combined with specific examples,a detailed analysis and explanation is made.