Kerala Plus One Maths Chapter Wise Questions and Answers Chapter 12 Introduction to Three Dimensional Geometry Plus One Maths Introduction to Three Dimensional Geometry Three Mark Questions and Answers Question 1. Prove by using distance formula that the A(1, 2, 3), B(-1, -1, -1) and C(3, 5, 7) are collinear. Answer: Now BC = AB […]
