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

Expert Teacher provides CBSE 12 Science Answers for MCQ Maths 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:**

** Answer Video in** **English****:**

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**Question 1** : Find the maximum profit that a company can make if the profit function 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 3** : Find the approximate value of f(5.001) where. (View Answer Video)

**Question 4** : The line y=mx+1 is a tangent to the curve if the value of m is ________. (View Answer Video)

**Question 5** : Find the maximum profit that a company can make if the profit function is. (View Answer Video)

**Question 1** : Find the inverse of the matrix . (View Answer Video)

**Question 2** : Find the equation of the line joining (1, 2) and (3, 6) using determinants. (View Answer Video)

**Question 3** : If x, y, z are non-zero real numbers, then the inverse of matrix is, (View Answer Video)

**Question 4** : Let A be square matrix of order 3 * 3, then |kA|is equal to (View Answer Video)

**Question 5** : Evaluate the determinants:. (View Answer Video)

**Question 1** : L and M are two points with position vectors and respectively. Write the position vectors of a point N which divides the line segment LM in the ratio 2:1 externally. (View Answer Video)

**Question 2** : Find the angle between the vectors and (View Answer Video)

**Question 3** : Find the sum of the vectors : (View Answer Video)

**Question 4** : Find a unit vector parallel to the sum of vectors and (View Answer Video)

**Question 5** : Find the direction cosines of the vector joining the points A(1, 2, -3) and B(-1, -2, 1) directed from B to A. (View Answer Video)

**Question 1** : Find the particular solution of the differential equation :

when x = 1, (View Answer Video)

**Question 2** : Write the differential equation obtained by eliminating the arbitrary constant C in the equation representing the family of curves xy = C cos x. (View Answer Video)

**Question 3** : Solve the differential equation (View Answer Video)

**Question 4** : Write the degree of the differential equation (View Answer Video)

**Question 5** : Find the general solution of the following differential equation :

(View Answer Video)