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:
Let A = {1, 2, 3}. Then, number of equivalence relations containing (1, 2) are,
Answer Video in English:
You can select video Answers from other languages also. Please check Answers in ( Hindi )
Question 1 : Let A = {1, 2, 3, 4} and let R = {(2, 2), (3, 3), (4, 4), (1, 2)} be a relation on A. Then, R is, (View Answer Video)
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 : 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)
Question 4 : If and are onto, then is: (View Answer Video)
Question 5 : A function defined as f(x) = 5x is, (View Answer Video)
Question 1 : The objective function is maximum or minimum, which lies on the boundary of the feasible region. (View Answer Video)
Question 1 : The maximum value of is (View Answer Video)
Question 2 : If, then the approximate value of f(3.02) is _________. (View Answer Video)
Question 3 : The length x of a rectangle is decreasing at the rate of 5cm/minute. and width y is increasing at the rate of 4cm/minute. When x=8cm and y=6 cm, find the rate of changes of:
(a) the area of the rectangle. (View Answer Video)
Question 4 : The rate of change of the area of a circle with respect to its radius r at r = 6 cm is : (View Answer Video)
Question 5 : Find two positive numbers whose sum is 16 and the sum of whose cubes is minimum. (View Answer Video)
Question 1 : Evaluate : . (View Answer Video)
Question 2 : (View Answer Video)
Question 3 : Find : (View Answer Video)
Question 4 : Find : (View Answer Video)
Question 5 : Evaluate : (View Answer Video)