Class 11 Maths NCERT Solutions Chapter 12 Introduction to 3d Geometry is developed and witten by our expert teachers. Students can study our solutions of Chapter 12 Introduction to 3d Geometry class 11 Maths, 1. Find the coordinates of the point which divides the line segment joining the points (– 2, 3, 5) and (1, – 4, 6) in the ratio (i) 2 : 3 internally, (ii) 2 : 3 externally., 2. 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., 3. Find the ratio in which the YZ-plane divides the line segment formed by joining the points (–2, 4, 7) and (3, –5, 8)., 4. Using section formula, show that the points A (2, –3, 4), B (–1, 2, 1) and (0, 1/3 , 2) are collinear. , 5. Find the coordinates of the points which trisect the line segment joining the points P (4, 2, – 6) and Q (10, –16, 6). .
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1. Find the coordinates of the point which divides the line segment joining the points
(– 2, 3, 5) and (1, – 4, 6) in the ratio (i) 2 : 3 internally, (ii) 2 : 3 externally.
