In what ratio is the line joining the points A (- 1, 1) and B (5, 7) divided by the line x + y = 4?
From the definition, using formula we get 1 : 2. Calculation gives this directly, check steps: apply rule, substitute values, simplify to get 1 : 2.
Ref: NCERT Mathematics Class XII — Vectors and 3D Geometry
