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# 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.

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

Question 1 : Sand is pouring from a pipe at the rate of . The falling sand forms a cone on the ground in such a way that the height of the cone is always one-sixth of the radius of the base. How fast is the height of the sand cone increasing, when the height is 4 cm? (View Answer Video)

Question 2 : 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 3 : The approximate change in the volume of a cube of side x meters caused by increasing the side by 3% is _____________. (View Answer Video)

Question 5 : Find two positive numbers x  and y such that x+y=60 and is maximum. (View Answer Video)

### Vector Algebra

Question 1 :  Write a unit vector in the direction of the sum of vectors and   (View Answer Video)

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

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

Question 5 : Find a vector in the direction of vector  which has magnitude 21 units.  (View Answer Video)

### Continuity and Differentiability

Question 5 : If x and y are connected parametrically by the equation   , without eliminating the parameter, find . (View Answer Video)