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

Expert Teacher provides 12 Science CBSE Solutions for MCQ Maths Relations and Functions 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 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 Solution in a narrative video format.

** Question:**

** Consider a binary operation * on N defined as . Choose the correct answer. **

** Solution Video in** **English****:**

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

**Question 1** : be defined as f(x) = (View Answer Video)

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

**Question 3** : If f(x) = |x| and g(x) = | 5x – 2 |. Then, fog = _____. (View Answer Video)

**Question 4** : The law a + b = b + a is called ______. (View Answer Video)

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

**Question 1** : 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 2** : Find the projection of the vector on the vector (View Answer Video)

**Question 3** : Find the scalar components of the vector with initial point A (2, 1) and terminal point B (-5, 7). (View Answer Video)

**Question 4** : Find the area of the parallelogram whose adjacent sides are determined by the vectors and (View Answer Video)

**Question 5** : Find the value of if the points with position vectors and are coplanar. (View Answer Video)

**Question 1** : If , find (x-y). (View Answer Video)

**Question 2** : Find the value of Y, if and . (View Answer Video)

**Question 3** : Given, , find the value of w. (View Answer Video)

**Question 4** : Find the value of c from the equation: . (View Answer Video)

**Question 5** : Let Find BA. (View Answer Video)

**Question 1** : Find the particular solution of the differential equation given that where x = 1. (View Answer Video)

**Question 2** : Solve the differential equation given that y = 1 when x = 1. (View Answer Video)

**Question 3** : If x cos(a + y) = cos y, then prove that

Hence show that (View Answer Video)

**Question 4** : Solve the differential

(View Answer Video)

**Question 5** : Write the sum of the order and degree of the differential equation (View Answer Video)