旋转体表面积

GeoGebra 命令及参数

1. Line((0, 0, 0), (1, 0, 0)) → f
2. CurveCartesian(t, k(t), t, j, l) → a
3. Surface(a, b, f) → c
4. CurveCartesian(cos(t) + 1, sin(t), t, 0, (2 * pi)) → d
5. Line((0, 0, 0), (0, 1, 0)) → g
6. CurveCartesian((2 / 3 * t^(1.5)), (2 * sqrt(t)), t, 0, 2) → h
7. Surface(h, b, g) → i
8. Textfield(k) → InputBox1
9. Textfield(j) → InputBox2
10. Textfield(l) → InputBox3
11. CurveCartesian(k(t), t, t, j, l) → o
12. Surface(o, b, g) → e