Why ratio difference is the same?

主題：面積

Given a triangle ABC, AM is the median to the line BC. P is a point on line AC, and BP intersects with AM on point Q. Prove that BQ/QP-CP/PA = 1. (Hint: Add a line CQ and consider areas of several triangles)

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Suma de los ángulos interiores de un triángulo
area of triangle
KreiswellenHalb06
Triangle Cross Section to form 3D Solid
Altitudes
คิดเลขเร็ว

探索主題

黎曼和（Riemann Sum）
多項式函數
3D 向量（三維）
線段
作圖

Why ratio difference is the same?

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