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

Expert Teacher provides Maths 12 Science Relations and Functions CBSE Answers for MCQ 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.

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** Question:**

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

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**Question 1** : The number of binary operations which can be defined on the set is, (View Answer Video)

**Question 2** : If the mapping f and g are given by f = {(1, 2), (3, 5), (4, 1)} and g = {(2, 3), (5, 1), (1, 3)}, Find . (View Answer Video)

**Question 3** : Let * be the binary operation on N given by a * b = LCM of a and b. Find 5 * 7. (View Answer Video)

**Question 4** : What type of function is the sine function in R? (View Answer Video)

**Question 5** : If is defined by , write f(f(x)). (View Answer Video)

**Question 1** : If m and n are the order and degree, respectively of the differential equation then write value of m+n. (View Answer Video)

**Question 2** : Solve the differential equation:

(View Answer Video)

**Question 3** : Write the degree of the differential equation (View Answer Video)

**Question 4** : Solve the differential equation (View Answer Video)

**Question 5** : Find the solution of the differential equation (View Answer Video)

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

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

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

**Question 4** : Find the integral of the function . (View Answer Video)

**Question 5** : Given . Write f(x) satisfying the above. (View Answer Video)

**Question 1** : The volume of a cube is increasing at the rate of 9 cubic centimetres per second. How fast is the surface area increasing when the length of an edge is 10 centimetres? (View Answer Video)

**Question 2** : The normal at the point (1, 1) on the curve is: (View Answer Video)

**Question 3** : The maximum value of is (View Answer Video)

**Question 4** : Find the maximum value of in the interval [1,3]. find the maximum value of the same function in [-3,-1]. (View Answer Video)

**Question 5** : If , then the approximate value of f (3.02) is (View Answer Video)