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本文从人教版教材选修4-4第38页上一道例题出发,给出了此类题的多种解法,并对其进行了推广,得到了圆锥曲线相交弦的一个性质.
In this paper, a series of solutions to this problem are given based on the previous example from the elective textbook of Humanities Edition 4-4 on page 38, and a number of solutions to the problems are given and extended to obtain a property of the conic intersection chord.