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 distance between the following pairs of points: (i) (2, 3, 5) and (4, 3, 1) (ii) (–3, 7, 2) and (2, 4, –1) (iii) (–1, 3, – 4) and (1, –3, 4) (iv) (2, –1, 3) and (–2, 1, 3). 2. Show that the points (–2, 3, 5), (1, 2, 3) and (7, 0, –1) are collinear. 3. Verify the following: (i) (0, 7, –10), (1, 6, – 6) and (4, 9, – 6) are the vertices of an isosceles triangle. (ii) (0, 7, 10), (–1, 6, 6) and (– 4, 9, 6) are the vertices of a right angled triangle. (iii) (–1, 2, 1), (1, , 4. Find the equation of the set of points which are equidistant from the points (1, 2, 3) and (3, 2, –1)., 5. Find the equation of the set of points P, the sum of whose distances from A (4, 0, 0) and B (– 4, 0, 0) is equal to 10..
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