## CLASS 11 MATHS CHAPTER-12 INTRODUCTION TO THREE DIMENSIONAL GEOMETRY

Exercise 12.1 In each of the following Exercises 1 to 4, find the equations : Question1. A point is on the x-axis. What are its y-coordinates and z-coordinates? Solution :If a point is on the x-axis, then its y-coordinates and z-coordinates are zero. Question2. A point is in the X Z-plane. What can you say …

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