圆锥曲线定义的应用

The definition of conical application

圆锥曲线定义的应用在近几年的高考题中屡见不鲜,主要是灵活运用圆锥曲线的第一定义和统一定义求轨迹、离心率、最值、范围等,问题的难点是由题怎样挖掘出圆锥曲线定义,关键是灵活运用圆锥曲线定义式进行转化,并能熟练掌握每一个定义的本质属性,把握其内涵与外延,才能灵活地用定义解题。

The application of conical defined in the college entrance examination in recent years,mainly is the first flexible use of conical section definition and unifying definition for trajectory,centrifugal rate,the most value,scope,the problem is difficult problem how to excavate by definition,the key is conical flexible use of conical section definition,and can be transformed into the master the essential attribute of every definition,grasps its connotation and denotation,can use flexible definition of problem solving.