CBSE Maths 12 Science Relations and Functions MCQ Answers in English to enable students to get Answers in a narrative video format for the specific question.
Expert Teacher provides CBSE Maths 12 Science Relations and Functions MCQ Answers 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.
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Question 1 : Let defined as f(x) = x be an identity function. Then, (View Answer Video)
Question 2 : Functions are defined respectively, by , find . (View Answer Video)
Question 3 : A function is bijective if and only if, (View Answer Video)
Question 4 : Let * be the binary operation on N given by a * b = LCM of a and b. Find 5 * 7. (View Answer Video)
Question 5 : be defined as f(x) = (View Answer Video)
Question 1 : Using integration, find the area of the triangle formed by a positive x-axis and tangent and normal to the circle at . (View Answer Video)
Question 2 : Using the method of integration, find the area of the triangular region whose vertices are (2, -2), (4, 3) and (1, 2). (View Answer Video)
Question 3 : Find the area of the region bounded by the curve and the line x = 3. (View Answer Video)
Question 4 : Using the method of integration, find the area of the region bounded by the lines: 5x - 2y -10 = 0, x + y - 9 = 0 and 2x - 5y - 4 = 0. (View Answer Video)
Question 5 : Find the area enclosed between the parabola and the line y = mx. (View Answer Video)
Question 1 : If and then find . (View Answer Video)
Question 2 : A and B throw a pair of dice alternatively, till one of them gets a total of 10 and wins the game. Find their respective probabilities of winning, if A starts first. (View Answer Video)
Question 3 : A bag I contains 5 red and 4 white balls and a bag II contains 3 red and 3 white balls. Two balls are transferred from the bag I to the bag II and then one ball is drawn from bag II. If the ball drawn from the bag II is red, then find the probability that one red ball and one white ball are transferred from the bag I to the bag II. (View Answer Video)
Question 4 : A bag contains 3 red and 7 black balls. 2 balls are selected at random one by one without replacement. If the second selected ball happens to be red, what is the probability that the first selected ball is also red? (View Answer Video)
Question 5 : From a lot of 30 bulbs which includes 6 defectives, a sample of 4 bulbs is drawn at random one by one with replacement. Find the probability distribution of the number of defective bulbs. Hence find the mean of the distributions. (View Answer Video)
Question 1 : The objective function is maximum or minimum, which lies on the boundary of the feasible region. (View Answer Video)