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

Expert Teacher provides CBSE Maths 12 Science Application of Derivatives MCQ Solutions through Video Solutions 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.

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

** Question:**

** The slope of the tangent to the curve at the point (2, -1) is : **

** Solution Video in** **English****:**

You can select video Solutions from other languages also. Please check Solutions in ( Hindi )

**Question 1** : The total revenue in rupees received from the sale of x units of a product is given by . The marginal revenue, when x=15 is: (View Answer Video)

**Question 2** : The line y = mx + 1 is a tangent to the curve if the value of m is: (View Answer Video)

**Question 3** : The point on the curve which is nearest to the point (0, 5) 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** : Find the approximate change in the surface area of a cube of side x meters caused by decreasing the side by 1%. (View Answer Video)

**Question 1** : Evaluate : . (View Answer Video)

**Question 2** : Find . (View Answer Video)

**Question 3** : Evaluate : (View Answer Video)

**Question 4** : Write the value of: (View Answer Video)

**Question 5** : Evaluate : (View Answer Video)

**Question 1** : The following system of equations has x + 3y + 3z = 2, x + 4y + 3z = 1, x + 3y + 4z = 2,

(View Answer Video)

**Question 2** : If find |A|. (View Answer Video)

**Question 3** : If A is an invertible matrix of order 2, then is equal to, (View Answer Video)

**Question 4** : If |A| = 0, then A is, (View Answer Video)

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

**Question 1** : Functions are defined respectively, by , find . (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** : Functions are defined respectively, by , find . (View Answer Video)

**Question 4** : The identity element for the binary operation * defined by a * b = , where a, b are the elements of a set of non-zero rational numbers, is, (View Answer Video)

**Question 5** : Number of binary sets on the set is, (View Answer Video)