CBSE 12 Science Solutions for MCQ Maths Application of Derivatives in English to enable students to get Solutions in a narrative video format for the specific question.
Expert Teacher provides CBSE 12 Science Solutions for MCQ Maths Application of Derivatives through Video Solutions 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:
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Question 1 : The rate of change of the area of a circle with respect to its radius r at r = 6 cm is : (View Answer Video)
Question 2 : A stone is dropped into a quiet lake and waves move in circles at a speed of 4 cm per second. At the instant when the radius of the circular waves is 10 cm, how fast is the enclosed area increasing? (View Answer Video)
Question 3 : A balloon, which always remains spherical on inflation, is being inflated by pumping in 900 cubic centimetres of gas per second. Find the rate at which the radius of the balloon increases when the radius is 15 cm. (View Answer Video)
Question 4 : 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 5 : The radius of an air bubble is increasing at the rate of . At what rate is the volume of the bubble increasing when its radius is 1 cm? (View Answer Video)
Question 1 : If x and y are connected parametrically by the equation , without eliminating the parameter, find . (View Answer Video)
Question 2 : If and , find . (View Answer Video)
Question 3 : Find the second order derivative of the function . (View Answer Video)
Question 4 : Differentiate the function with respect to x. (View Answer Video)
Question 5 : Differentiate the function w.r.t.x . (View Answer Video)
Question 1 : Find the value of if the points with position vectors and are coplanar. (View Answer Video)
Question 2 : Find if and (View Answer Video)
Question 3 : Write a vector in the direction of the vector that has magnitude 9 units. (View Answer Video)
Question 4 : Find the scalar quantities :
(i) Work (ii) Force
(iii) Velocity (iv) Displacement. (View Answer Video)
Question 5 : Find a unit vector parallel to the sum of vectors and (View Answer Video)
Question 1 : Write the degree of the differential equation : (View Answer Video)
Question 2 : Find the particular solution of the differential equation given that y = 0, when x = 0. (View Answer Video)
Question 3 : Solve the differential equation given that y = 1 when x = 1. (View Answer Video)
Question 4 : Solve the differential equation (View Answer Video)
Question 5 : Find the particular solution of the differential equation given that y = 1 when x = 0. (View Answer Video)