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圆锥曲线的第一定义是解决圆锥曲线问题的主要工具,其合理和有效的使用能够使题目的本质更加明显,在求解过程中避免很多繁杂的计算,达到以简驭繁的效果。本文以求轨迹、求最值和求位置关系为切入点,略陈管见,做了一些浅显的探讨,以求引玉而已。
The first definition of the conic is the main tool to solve the conic problem. The reasonable and effective use of the conic can make the essence of the problem more obvious. In the process of solving, many complicated calculations are avoided, and the effect of simplification is simplified. In this paper, seeking trajectory, seeking the most value and seeking position as the starting point, slightly Chen tube see, do some simple discussion, in order to attract jade only.