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求曲线的轨迹方程是解析几何的基本问题之一,学生在学习如何探求轨迹方程时,并不感到多么困难,他们常常能遵循探求曲线轨迹方程的基本步骤,运用常规基本方法求出曲线的轨迹方程.但对判断由方程所确定的点是不是都是曲线上的点,往往思考不深入,常把一些不是轨迹上的...
Finding the trajectory equation of the curve is one of the basic problems of analytical geometry. Students do not find it difficult to learn how to explore the trajectory equation. They can often follow the basic steps of searching for the curve equation and use conventional basic methods to find the trajectory of the curve. equation. But the point of judging from the equation is not the point on the curve, but often thinking is not deep enough, and often it is not on the track...