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

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

Expert Teacher provides Answers for MCQ CBSE 12 Science Maths 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:

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

Question 2 : Let * be the binary operation on N given by a * b = LCM of a and b. Find the identity of * in N. (View Answer Video)

Question 3 : Let A = {1, 2, 3}. Then, number of relations containing (1, 2) and (1, 3) which are reflexive and symmetric but not transitive is, (View Answer Video)

Question 4 :  Let R be the relation on the set {1, 2, 3, 4} given by R = {(1, 2), (2, 2), (1, 1), (4, 4), (1, 3), (3,3), (3,2)}. then R is, (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)

Application of Derivatives

Question 1 : The approximate change in the volume of a cube of side x meters caused by increasing the side by 3% is _____________. (View Answer Video)

Question 2 : Find two numbers whose sum is 24 and whose product is as large as possible. (View Answer Video)

Question 4 : The normal at the point (1, 1) on the curve  is; (View Answer Video)

Question 5 : The line y = mx + 1 is a tangent to the curve if the value of m is: (View Answer Video)

Vector Algebra

Question 1 :  Find the position vector of c which divides the line segment joining A & B whose position vectors are and internally in the ratio