Select Page

# 12 Science Maths CBSE Solutions for MCQ Three Dimensional Geometry in English

12 Science Maths CBSE Solutions for MCQ Three Dimensional Geometry in English to enable students to get Solutions in a narrative video format for the specific question.

Expert Teacher provides 12 Science Maths CBSE Solutions for MCQ Three Dimensional Geometry through Video Solutions in English language. This video solution will be useful for students to understand how to write an answer in exam in order to score more marks. This teacher uses a narrative style for a question from Three Dimensional Geometry not only to explain the proper method of answering question, but deriving right answer too.

Please find the question below and view the Solution in a narrative video format.

Question:

Solution Video in English:

## Similar Questions from CBSE, 12th Science, Maths, Three Dimensional Geometry

Question 2 : If a line has the direction ratios -18, 12, -4, then what are its direction cosines? (View Answer Video)

Question 3 : If a lines makes angle and  with the positive directions of x-axis and z-axis respectively, then find the angle that it makes with the y-axis. (View Answer Video)

Question 4 : If a line has direction ratios 2, -1, -2, then what are its direction cosines? (View Answer Video)

### Relations and Functions

Question 3 :  If f(x) = ax + b and g(x) = cx + d, then f[g(x)] – g[f(x)] is equivalent to, (View Answer Video)

Question 4 :  If f is the greatest integer function and g is the modulus function . Write the value of g o f(-1/3) – f o g ( -1/3 ) . (View Answer Video)

### Vector Algebra

Question 1 : Find |x|, if for a unit vector a,(x - a).(x + a) = 12. (View Answer Video)

Question 2 : Find the value of if the points with position vectors  and are coplanar.  (View Answer Video)

Question 3 : Find the position vector of a point which divides the join of points with position vectors and externally in the ration 2:1.  (View Answer Video)

Question 5 :  If and denote the position vectors of points A and B respectively and C is a point on AB such that AC = 2 CB, then write the position vector of C.  (View Answer Video)