NCERT Exercise 11.2 Q1 - Introduction to Three Dimensional Geometry
Question: Find the distances between: (i) (2, 3, 5), (4, 3, 1); (ii) (-3, 7, 2), (2, 4, -1); (iii) (-1, 3, -4), (1, -3, 4); (iv) (2, -1, 3), (-2, 1, 3).
Answer: (i) 2sqrt(5); (ii) sqrt(43); (iii) 2sqrt(26); (iv) 2sqrt(5).
Full step-by-step NCERT solution with diagrams on Something by Zero.