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

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

Expert Teacher provides 12 Science Maths CBSE Relations and Functions 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.

Please find the question below and view the Answer in a narrative video format.

Question:

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

Question 1 : Let  defined as f(x) = x be an identity function. Then, (View Answer Video)

Question 2 : Number of binary operations on the set {a, b} are : (View Answer Video)

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

Continuity and Differentiability

Question 3 : Using the fact that  and the differentiation, obtain the sum formula for cosines. (View Answer Video)

Determinant

Question 3 : Let A be the non- singular square matrix of order , then |adj A| is equal to, (View Answer Video)

Question 4 : The solution of the following system of equation is 2x + 3y = 5, 5x – 2y = 3. (View Answer Video)

Question 5 : If=andis Cofactor of , then the value of is given by (View Answer Video)

Probability

Question 1 : An urn contains 4 balls. Two balls are drawn at random from the urn (without replacement) and are found to be white. What is the probability that all the four balls in the urn are white?  (View Answer Video)

Question 2 : One card is drawn from a pack of 52 cards. Find the probability of getting a red card: