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通过复平面可把复数与平面解析几何的某些曲线联系起来 ,而且用复数形式表示曲线方程显得更简单更清晰 .本文就求复点轨迹的常用方法例析如下 .一、利用整体思想方法例 1 设z+ 1z ∈R ,求z在复平面上对应点的轨迹 .解 :z+ 1z ∈R z + 1z =z + 1z (z-z) + z-z
Complex numbers can be used to relate complex numbers to some of the curves of planar analytical geometry, and it is simpler and clearer to represent the curve equations in the form of plurals. Here are some examples of commonly used methods for recovering trajectories. First, use the overall idea method. 1 Let z + 1z ∈R , find the trajectory of z in the complex plane. Solution: z+ 1z ∈ R z + 1z = z + 1z (z-z) + z-z