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解析几何的本质是用代数的方法研究图形的几何性质,体现数形结合的重要思想.两直线垂直斜率关系的推导方法很有典型意义,为学生以后更好地学习解析几何奠定基础,同时也培养学生对数学学习的兴趣和创新精神.
The essence of analytic geometry is the algebraic method to study the geometric properties of the figure, which embodies the important idea of the combination of the number and shape.The derivation method of the relationship between the two slopes is very typical and lays the foundation for students to learn analytic geometry better in the future Foster students’ interest and innovation in maths learning.