MCQ in English Answers for CBSE Maths 12 Science Application of Derivatives to enable students to get Answers in a narrative video format for the specific question.

Expert Teacher provides MCQ Answers for CBSE Maths 12 Science Application of Derivatives 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 Application of Derivatives not only to explain the proper method of answering question, but deriving right answer too.

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**Question 1** : If the radius of a sphere is measured as 9 m with an error of 0.03 m, then find the approximate error in calculating its surface area. (View Answer Video)

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

**Question 3** : For all real values of x, the minimum value of is (View Answer Video)

**Question 4** : Find the maximum profit that a company can make if the profit function is. (View Answer Video)

**Question 5** : The maximum value of is (View Answer Video)

**Question 1** : If is a relation on N, write the range of R. (View Answer Video)

**Question 2** : 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 3** : Let * be the binary operation on N given by a * b = LCM of a and b. Find 5 * 7. (View Answer Video)

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

**Question 5** : Let A = {1, 2, 3}. Then, number of equivalence relations containing (1, 2) are, (View Answer Video)

**Question 1** : Using the method of integration find the area bounded by the curve |x| + |y| = 1. (View Answer Video)

**Question 2** : Find the area of the smaller part of the circle cut off by the line (View Answer Video)

**Question 3** : Find the area of the region bounded by the parabola and y = | x |. (View Answer Video)

**Question 4** : Using integration find the area of region bounded by the triangle whose vertices are (-1, 0), (1, 3) and (3, 2). (View Answer Video)

**Question 5** : Find the area of the region enclosed by the parabola the line y = x + 2. (View Answer Video)

**Question 1** : If, find the value of y. (View Answer Video)

**Question 2** : Find the value of Y, if and . (View Answer Video)

**Question 3** : Find the value of x from the equation: . (View Answer Video)

**Question 4** : Given, , find the value of x. (View Answer Video)

**Question 5** : Compute: . (View Answer Video)