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** : A function is bijective if and only if, (View Answer Video)

**Question 2** : The identity element for the binary operation * defined by a * b = , where a, b are the elements of a set of non-zero rational numbers, is, (View Answer Video)

**Question 3** : Consider given by f(x) = 4x + 3. Find the inverse of f. (View Answer Video)

**Question 4** : If and are onto, then is: (View Answer Video)

**Question 5** : Number of binary operations on the set { a, b} are: (View Answer Video)

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

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

**Question 3** : Evaluate : (View Answer Video)

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

**Question 5** : Find the integral of the function . (View Answer Video)

**Question 1** : Solve the differential equation (View Answer Video)

**Question 2** : Write the differential equation representing the curve where a is an arbitrary constant. (View Answer Video)

**Question 3** : Solve the differential equation:

(View Answer Video)

**Question 4** : Find the general solution of differential equation (View Answer Video)

**Question 5** : Write the differential equation representing the family of curves y = mx, where m is an arbitrary constant. (View Answer Video)

**Question 1** : Find the area enclosed between the parabola and the line y = mx. (View Answer Video)

**Question 2** : Using integration, find the area of the triangle formed by a positive x-axis and tangent and normal to the circle at . (View Answer Video)

**Question 3** : Find the area between the curves y = x and (View Answer Video)

**Question 4** : Find the area of the smaller part of the circle cut off by the line (View Answer Video)

**Question 5** :

Find the area of the given curves and given lines:

and x-axis