MCQ Answers for CBSE 12 Science Maths Continuity and Differentiability in English

MCQ Answers for CBSE 12 Science Maths Continuity and Differentiability in English to enable students to get Answers in a narrative video format for the specific question.

Expert Teacher provides MCQ Answers for CBSE 12 Science Maths Continuity and Differentiability 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 Continuity and Differentiability 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:

Using the fact that Question and the differentiation, obtain the sum formula for cosines.

Answer Video in English:

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Similar Questions from CBSE, 12th Science, Maths, Continuity and Differentiability

Question 1 : Differentiate the function Question with respect to x. (View Answer Video)

Question 2 : Differentiate the function w.r.t.x Question. (View Answer Video)

Question 3 : Differentiate the function w.r.t.x Question. (View Answer Video)

Question 4 : Differentiate w.r.t.x the function Question. (View Answer Video)

Question 5 : Find Question for the function Question. (View Answer Video)

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

Application of Derivatives

Question 1 : 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 2 : The slope of the normal to the curve Question at x = 0 is: (View Answer Video)

Question 3 : Find the maximum profit that a company can make if the profit function is given byQuestion (View Answer Video)

Question 4 : The normal to the curve Questionpassing (1, 2) 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)

Probability

Question 1 : If P(F) = 0.35 and Question=0.85 and E and F are independent events. Find P(E).  (View Answer Video)

Question 2 : A card from a pack of 52 cards is lost. From the remaining cards of the pack, two cards are drawn at random and are found to be hearts. Find the probability of the missing card to be a heart.     (View Answer Video)

Question 3 : If Question and Question find Questionif E and F are independent events.  (View Answer Video)

Question 4 : 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 5 : One card is drawn from a pack of 52 cards. Find the probability of getting a jack of hearts: 
  (View Answer Video)

Vector Algebra

Question 1 :  Write a vector in the direction of the vector Question that has magnitude 9 units.   (View Answer Video)

Question 2 :  Write the value of Questionfor which the vectors Questionand Questionare parallel vectors.  (View Answer Video)

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

Question 4 : Find Question if the vectors Question and Question are coplanar.   (View Answer Video)

Question 5 :  P and Q are two points with position vectors Questionand Questionrespectively. Write the position vector of a point R which divides the line segment PQ externally in the ratio 2:1.  (View Answer Video)