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

Expert Teacher provides CBSE MCQ Maths 12 Science Relations and Functions 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:**

** If f(x) = |x| and g(x) = | 5x – 2 |. Then, fog = _____. **

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

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

**Question 1** : If and are onto, then is: (View Answer Video)

**Question 2** : Let defined as f(x) = x be an identity function. Then, (View Answer Video)

**Question 3** : Let R be the relation in the set N given by :

R = {(a, b) : a = b - 2, b > 6}.

Choose the correct answer : (View Answer Video)

**Question 4** : The function, f(x) = 2x + 1 is, (View Answer Video)

**Question 5** : A function defined as is, (View Answer Video)

**Question 1** : Differentiate the function with respect to x. (View Answer Video)

**Question 2** : Find the second order derivative of the function . (View Answer Video)

**Question 3** : Differentiate the function with respect to x. (View Answer Video)

**Question 4** : Differentiate the function with respect to x. (View Answer Video)

**Question 5** : Differentiate the function w.r.t.x . (View Answer Video)

**Question 1** : Find the value of t, if . (View Answer Video)

**Question 2** : Compute: . (View Answer Video)

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

**Question 4** : If, find the value of x. (View Answer Video)

**Question 5** : If, find the value of y. (View Answer Video)

**Question 1** : Find the projection of the vector on the vector (View Answer Video)

**Question 2** : Find the angle between the vectors and (View Answer Video)

**Question 3** : Find the magnitude of two vectors a and b having the same magnitude and such that the angle between them is and their scalar product is 1/2. (View Answer Video)

**Question 4** : Compute the magnitude of the following vectors:

(View Answer Video)

**Question 5** : Find a vector of magnitude making an angle of with x-axis, with y-axis and an acute angle with z-axis. (View Answer Video)