NCERT Solutions for Class 11-science Maths Chapter 12 - Introduction to Three Dimensional Geometry

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Chapter 12 - Introduction to Three Dimensional Geometry Exercise Ex. 12.1

Solution 1
Solution 2

Solution 3

The x- coordinate, y- coordinate, and z -coordinate of point (-2, -4, -7) are positive, negative ,
and negative respectively. Therefore, this point lies in octant VIII.



Solution 4

Chapter 12 - Introduction to Three Dimensional Geometry Exercise Ex. 12.2

Solution 1

Solution 2
Solution 3

 

 

 

Solution 4
Solution 5

Chapter 12 - Introduction to Three Dimensional Geometry Exercise Ex. 12.3

Solution 1
Solution 2
Solution 3
Solution 4
Solution 5

Chapter 12 - Introduction to Three Dimensional Geometry Exercise Misc. Ex.

Solution 1
Solution 2
Solution 3
Solution 4
Solution 5
Solution 6