#### 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.