Application of Derivatives CBSE Maths 12 Science MCQ Answers in English

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

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

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Question:

The total revenue in rupees received from the sale of x units of a product is given by Question. The marginal revenue, when x=15 is:

Answer Video in English:

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Similar Questions from CBSE, 12th Science, Maths, Application of Derivatives

Question 1 : The slope of the tangent to the curve:
Question
at the point (2, -1) is: (View Answer Video)

Question 2 : The slope of the normal to the curve Question at x = 0 is: (View Answer Video)

Question 3 : The function f is a differentiable function and satisfies the functional equation f(x) + f(y) = f(x + y) – xy – 1for every pair x, y of real numbers. If f(1) = 1, then the number of integers n ≠ 1 for which f(n) = n is_______________. (View Answer Video)

Question 4 : The slope of the tangent to the curve Question at the point (2, -1) is : (View Answer Video)

Question 5 : Find the maximum value of inQuestion the interval [1,3]. find the maximum value of the same function in [-3,-1]. (View Answer Video)

Questions from Other Chapters of CBSE, 12th Science, Maths

Probability

Question 1 : Of the students in a college, it is known that 60% reside in hostel and 40% are day scholars (not residing in hostel). Previous year results report that 30% of all students who reside in hostel attain  'A' grade and 20% of day scholars attain 'A' grade in their annual examination. At the end of the year, one student is chosen at random from the college and he has an 'A' grade. What is the probability that the student is a hosteler?   (View Answer Video)

Question 2 : 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 3 : A pair of dice is thrown 4 times. If getting a doublet is considered a success, find the probability distribution of the number of successes and hence find its mean.  (View Answer Video)

Question 4 :  In a group of 400 people, 160 are smokers and non-vegetarian, 100 are smokers and vegetarian and the remaining are non-smokers and vegetarian. The probabilities of getting a special chest disease are 35%, 20% and 10% respectively. A person is chosen from the group at random and is found to be suffering from the disease. What is the probability that the selected person is a smoker and non-vegetarian? What value is reflected in this question?     (View Answer Video)

Question 5 : An experiment succeeds thrice as often as it fails. Find the probability that in the next trials, there will be atleast 3 successes.    (View Answer Video)

Vector Algebra

Question 1 : Find the scalar and vector components of the vector with initial point (2, 1) and terminal point (-5, 7). (View Answer Video)

Question 2 : Find the value of x and y so that the vectors Question and Questionare equal. (View Answer Video)

Question 3 : Find a unit vector in the direction of Question  (View Answer Video)

Question 4 : Find a vector in the direction of vector Question which has magnitude 21 units.  (View Answer Video)

Question 5 : Find the value of Questionif the points with position vectors Question and Questionare coplanar.  (View Answer Video)

Differential Equations

Question 1 : If y(x) is a solution of the differential equation Question  and y(0) = 1, then find the value of Question (View Answer Video)

Question 2 : Find the solution of the differential equation Question (View Answer Video)

Question 3 : Find the particular solution of the differential equation Question given that y = 0, when x = 0. (View Answer Video)

Question 4 : Solve the differential equation:
 Question (View Answer Video)

Question 5 : Find the general solution of the following differential equation :
 Question (View Answer Video)