复合不等式

GeoGebra 命令及参数

1. Point(xAxis) → A
2. Point(xAxis) → B
3. Point(L2) → C
4. Point(L3) → D
5. Segment(A, AI) → c
6. Segment(B, BI) → d
7. Vector(AI, C) → u
8. Vector(BI, D) → v
9. If(BG > 0, If[Bequal, x ≥ x(B), x > x(B)], If[BG < 0, If[Bequal, x ≤ x(B), x < x(B)], x = x(B)]) → b
10. If(AG > 0, If[Aequal, x ≥ x(A), x > x(A)], If[AG < 0, If[Aequal, x ≤ x(A), x < x(A)], x = x(A)]) → a
11. LaTeX($1) → text3