NCERT Exercise 11.2 Q2 - Three Dimensional Geometry
Question: Show that the line through the points (1, −1, 2) and (3, 4, −2) is perpendicular to the line through the points (0, 3, 2) and (3, 5, 6).
Answer: The two lines are perpendicular.
Full step-by-step NCERT solution with diagrams on Something by Zero.