Example 2 Find the octant in which the points (–3,1,2) and (–3,1,– 2) lie. – 2) lie. 1 2) and (3 Example 2 Find the octant in which the points (–3 October 30, 2021 Category: Chapter 12 - Introduction to 3D Geometry , Maths , NCERT Exemplar Class 11 ,