复数圆的轨迹

GeoGebra 命令及参数

1. Circle(Z_1, 2) → c
2. Distance(Z, Z_1) → ZZ1
3. Point(c) → P
4. Distance(P_1, Z_1) → P1Z1
5. Distance(P_2, Z_1) → P2Z1
6. Distance(P_3, Z_1) → P3Z1
7. Distance(P_4, Z_1) → P4Z1
8. Distance(P_5, Z_1) → P5Z1
9. Distance(P_6, Z_1) → P6Z1
10. Distance(P_7, Z_1) → P7Z1
11. Distance(P_8, Z_1) → P8Z1
12. Segment(Z_1, Z) → d
13. Point(c) → A
14. Segment(A, Z_1) → h
15. Circle(Z5, 2.5) → k
16. Point(k) → B