Concept — Fascio di rette.
Featured in chapters
12·17·18·20
Linked atoms
19 linked atoms.
12 La parabola
17 Disequazioni irrazionali
18 Fasci di rette
- Complete study of a pencil
- Example — Fixed distance
- Example — Passing through a point
- Example — Secant, tangent, external
- Example — Tangency to a parabola
- General method for pencil problems
- Proper and improper pencils compared
- The improper pencil
- The pencil with two generators
- The proper pencil
- The single-parameter notation
- The strategy for determining the parameter