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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. - CBSE (Arts) Class 11 - Mathematics

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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

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APPEARS IN

 NCERT Solution for Mathematics Textbook for Class 11 (2018 to Current)
Chapter 12: Introduction to Three Dimensional Geometry
Q: 2 | Page no. 277

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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.
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