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怎样求圆锥曲线离心率的取值范围,是学生颇感困难的问题,其涉及知识面广、方法灵活多变、相关量众多.在此归纳如下:
How to obtain the range of the eccentricity of the conic section eccentricity is a difficult problem for students. It involves a wide range of knowledge, flexible methods, and a large amount of related information. It is summarized as follows: