12 Science Maths CBSE Answers for MCQ Relations and Functions in English

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

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

The identity element for the binary operation * defined by a * b = Question  , where a, b are the elements of a set of non-zero rational numbers, is,

Answer Video in English:

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

Similar Questions from CBSE, 12th Science, Maths, Relations and Functions

Question 1 : Number of binary operations on the set {a, b} are : (View Answer Video)

Question 2 : Functions Question are defined respectively, by Question, find Question .  (View Answer Video)

Question 3 : 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 4 : Let Question defined as f(x) = x be an identity function. Then, (View Answer Video)

Question 5 :  If f is the greatest integer function and g is the modulus function . Write the value of g o f(-1/3) – f o g ( -1/3 ) . (View Answer Video)

Questions from Other Chapters of CBSE, 12th Science, Maths

Three Dimensional Geometry

Question 1 : What is the distance of the point (p, q, r) from the x-axis ? (View Answer Video)

Question 2 : Find the cartesian equation of the line which passes through the point (-2, 4, -5) and is parallel to the line Question (View Answer Video)

Question 3 : Find the distance between the planes 2x+3y+4z=10 and 4x+6y+8z=18. (View Answer Video)

Question 4 : A plane makes intercepts -6, 3, 4 respectively on the co-ordinte axes. Find the length of the perpendicular from the origin on it. (View Answer Video)

Question 5 : Find the vector equation of the plane which contains the line of intersection of the planes Question and Question and which is perpendicular to the plane Question (View Answer Video)

Determinant

Question 1 :  Find the area of the triangle with vertices at the points (-2, -3), (3, 2), (-1, -8). (View Answer Video)

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

Question 3 : Evaluate Question. (View Answer Video)

Question 4 : Which of the following is correct? (View Answer Video)

Question 5 : Find the values of x, if Question. (View Answer Video)

Continuity and Differentiability

Question 1 : Using the fact that Question and the differentiation, obtain the sum formula for cosines. (View Answer Video)

Question 2 :  Differentiate w.r.t.x the function Question. (View Answer Video)

Question 3 : Differentiate w.r.t.x the function Question, for some fixed a > 0 and x > 0. (View Answer Video)

Question 4 : If x and y are connected parametrically by the equation Question   , without eliminating the parameter, find Question. (View Answer Video)

Question 5 : If Question and Question, find Question. (View Answer Video)