Question
Given that P (3, 2, –4), Q (5, 4, –6) and R (9, 8, –10) are collinear. Find the ratio in which Q divides PR.
Solution
Let point Q (5, 4, –6) divide the line segment joining points P (3, 2, –4) and R (9, 8, –10) in the ratio k:1.
Therefore, by section formula
Is there an error in this question or solution?
Solution Given that P (3, 2, –4), Q (5, 4, –6) and R (9, 8, –10) Are Collinear. Find the Ratio in Which Q Divides Pr. Concept: Three - Dimensional Geometry - Section Formula.