代数方程证明

GeoGebra 命令及参数

1. Intersect(xAxis, yAxis) → A
2. Point(xAxis) → B
3. Point(xAxis) → C
4. Point(yAxis) → D
5. Line(B, yAxis) → i
6. Line(C, yAxis) → j
7. Line(D, xAxis) → a
8. Intersect(a, i) → E
9. Intersect(a, j) → F
10. Point(xAxis) → G
11. Line(G, j) → k
12. Intersect(a, k) → H
13. Vector(A, B) → u
14. Vector(A, C) → v
15. Vector(A, G) → w
16. Vector(A, E) → z
17. Vector(A, F) → u1
18. Point(a) → J1
19. Vector(A, H) → v1
20. Point(a) → P1