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

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

** Let * be the binary operation on N given by a * b = LCM of a and b. Find 5 * 7. **

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

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

**Question 1** : Let R be the relation on the set N given by R ={(a, b): a = b - 2, b > 6}. Choose the correct answer. (View Answer Video)

**Question 2** : If and are onto, then is: (View Answer Video)

**Question 3** : A function is surjective if and only if , (View Answer Video)

**Question 4** : Functions are defined respectively, by , find . (View Answer Video)

**Question 5** : If is a relation on N, write the range of R. (View Answer Video)

**Question 1** : Evaluate the determinants:. (View Answer Video)

**Question 2** : If A is an invertible matrix of order 2, then is equal to, (View Answer Video)

**Question 3** : If a, b, c are in AP, then determinant . (View Answer Video)

**Question 4** : Find the adjoint of the matrix . (View Answer Video)

**Question 5** : If , then x is equal to, (View Answer Video)

**Question 1** : A balloon, which always remains spherical on inflation, is being inflated by pumping in 900 cubic centimetres of gas per second. Find the rate at which the radius of the balloon increases when the radius is 15 cm. (View Answer Video)

**Question 2** : For all real values of x, the minimum value of is (View Answer Video)

**Question 3** : On which of the following intervals in the function strictly decreasing? (View Answer Video)

**Question 4** : What is the maximum value of the function sin x+ cos x? (View Answer Video)

**Question 5** : The slope of the normal to the curve at x = 0 is: (View Answer Video)

**Question 1** : Given, , find the value of w. (View Answer Video)

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

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

**Question 4** : Find the transpose of the matrix: . (View Answer Video)

**Question 5** : If , then find "a". (View Answer Video)