Relations and Functions MCQ CBSE Maths 12 Science Answers in English to enable students to get Answers in a narrative video format for the specific question.

Expert Teacher provides Relations and Functions MCQ CBSE Maths 12 Science Answers through Video Answers 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 Relations and Functions not only to explain the proper method of answering question, but deriving right answer too.

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

** Question:**

** The function, f(x) = 2x + 1 is, **

** Answer Video in** **English****:**

You can select video Answers from other languages also. Please check Answers in ( Hindi )

**Question 1** : Number of binary sets on the set is, (View Answer Video)

**Question 2** : If is defined by , write f(f(x)). (View Answer Video)

**Question 3** : Number of binary operations on the set { a, b} are: (View Answer Video)

**Question 4** : Let A = {1, 2, 3}. Then, number of relations containing (1, 2) and (1, 3) which are reflexive and symmetric but not transitive is, (View Answer Video)

**Question 5** : Functions are defined respectively, by , find . (View Answer Video)

**Question 1** : Evaluate : (View Answer Video)

**Question 2** : Write the value of: (View Answer Video)

**Question 3** : Find . (View Answer Video)

**Question 4** : Find : . (View Answer Video)

**Question 5** : Evaluate : (View Answer Video)

**Question 1** : Find the angle between the vectors and (View Answer Video)

**Question 2** : Find the vector quantities from the following:

(i) 10 kg (ii) 2 m north-west (iii)

(iv) 40 W (v) (vi) (View Answer Video)

**Question 3** : if a, b, c are unit vectors such that a + b + c = 0, then find the value of a.b + b.c + c.a. (View Answer Video)

**Question 4** : Find a vector in the direction of that has magnitude 7 units. (View Answer Video)

**Question 5** : Find the position vector of c which divides the line segment joining A & B whose position vectors are and internally in the ratio

2 : 3. (View Answer Video)

**Question 1** : Find the greatest and least values of (View Answer Video)

**Question 2** : Solve for

(View Answer Video)

**Question 3** : Evaluate :

(View Answer Video)

**Question 4** : If then find x. (View Answer Video)

**Question 5** : Solve for

(View Answer Video)