过焦点的直线与圆锥曲线的解题方法的优化

Optimization of Solution Methods for Straight Lines and Conic Curves Passing Focus

直线与圆锥曲线相结合的题常作为高考内容,问题出题类型变化多,运算过程复杂,往往是学生较难掌握的一类题型。基于此,本文介绍了一种经过焦点的直线与圆锥曲线的相关计算的简便运算。

The combination of straight line and conic is often used as the content of college entrance exami-nation.The types of questions are varied and the calculation process is complicated.It is often a kind of questions difficult for students to master.Based on this,this paper introduces a simple calculation of the correlation between straight line and conic through focus.