CBSE 12 Science Answers for MCQ Maths Application of Derivatives in English

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.

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

Question:

For the curve, y=Question if x increases at the rate of 2 units/sec, then how fast is the slope of curve changing when x=3?

Answer Video in English:

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

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

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

Question 2 : 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 3 : It is given that  at x=1, the function attainsQuestion its maximum value on the interval[0,2]. Find the value of a? (View Answer Video)

Question 4 : The normal at the point (1, 1) on the curve Question is: (View Answer Video)

Question 5 : The slope of the tangent to the curve Question at the point (2,-1) is _______________. (View Answer Video)

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

Three Dimensional Geometry

Question 1 : Find the vector and cartesian forms of the equation of the plane passing through the point (1, 2, -4) and parallel to the lines Question and   Question Also, find the distance of the point (9, -8, -10) from the plane thus obtained. (View Answer Video)

Question 2 : Find the co-ordinates of the point where the line through the points A(3, 4, 1) and B(5, 1, 6) crosses the XY-plane. Also find angle which this line makes with the XZ-plane. (View Answer Video)

Question 3 : If a line makes angleQuestionandQuestionwith the coordinate axis, then find the value of Question (View Answer Video)

Question 4 : If a line has direction ratios 2, -1, -2, then what are its direction cosines? (View Answer Video)

Question 5 : If the lines Question  and  Question  are perpendicular to each other, then find the value of P. (View Answer Video)

Probability

Question 1 : Assume that the chances of a patient having a heart attack are 40%. Assume that a meditation and yoga course reduces the risk of heart attack by 30% and the prescription of certain drugs and certain restrictions reduces the risk by 25%. At a time, a patient choses only one of the two options with equal probabilities. After going through one of the two options, the patient is selected at random who is suffering from a heart attack. Find the probability that the patient followed a course of meditation and yoga. Write the value referred here.      (View Answer Video)

Question 2 : An insurance company insured 2,000 cyclists, 4,000 scooter drivers and 6,000 motorbike drivers. The probability of an accident involving a cyclist, scooter driver and a motorbike driver are 0.01, 0.03, and 0.15 respectively. One of the insured persons meets with an accident. What is the probability that he is a scooter driver?     (View Answer Video)

Question 3 : A coin is biased so that the heads is 2 times as likely to occur as tail. If the coin is tossed twice, find the probability distribution of number of tails. Hence find the mean of the distribution.  (View Answer Video)

Question 4 : How many times must a man toss a fair coin, so that the probability of having at least one head is more than 80%.  (View Answer Video)

Question 5 : In a game, a man wins rupee five for number six and losses rupee one for any other number, when a fair die is thrown. The man decided to throw a die thrice but to quit as and when he gets a six. Find the expected value of the amount he wins/losses. (View Answer Video)

Integrals

Question 1 : Evaluate : Question (View Answer Video)

Question 2 : Find : Question (View Answer Video)

Question 3 : Find Question. (View Answer Video)

Question 4 : Question (View Answer Video)

Question 5 : Question. (View Answer Video)