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文[1]介绍了一道解析几何轨迹问题的四种解法,读后颇受启发,欣赏之余偶得此题的另外两种向量解法,愿和各位老师和同学共同切磋交流.
Wen [1] introduced a solution of four geometric trajectory problem solving method, after reading quite inspired, enjoy the more or less the other two vector solutions, and teachers and classmates is willing to exchange views.