CBSE MCQ in English Answers for Maths 12 Science Application of Derivatives to enable students to get Answers in a narrative video format for the specific question.
Expert Teacher provides CBSE MCQ Answers for Maths 12 Science 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:
The slope of the normal to the curve at x = 0 is :
Answer Video in English:
You can select video Answers from other languages also. Please check Answers in ( Hindi )
Question 1 : For the curve, y= if x increases at the rate of 2 units/sec, then how fast is the slope of curve changing when x=3? (View Answer Video)
Question 2 :
The total revenue in Rupees received from the sale of 'x' units of a product is given by :
The marginal revenue, when x=15 is :
Question 3 : The line is a tangent to the curve at the point. (View Answer Video)
Question 4 : The volume of a cube is increasing at the rate of 9 cubic centimetres per second. How fast is the surface area increasing when the length of an edge is 10 centimetres? (View Answer Video)
Question 5 : The point on the curve which is nearest to the point (0, 5) is :
(View Answer Video)
Question 1 : Using the fact that and the differentiation, obtain the sum formula for cosines. (View Answer Video)
Question 2 : Find for the function . (View Answer Video)
Question 3 : Differentiate the function w.r.t.x . (View Answer Video)
Question 4 : Differentiate the function w.r.t.x . (View Answer Video)
Question 5 : Differentiate the function with respect to x. (View Answer Video)
Question 1 : A die is thrown 6 times. If 'getting an odd number' is a 'success', what is the probability of obtaining:
atmost 5 successes? (View Answer Video)
Question 2 : A speaks truth in 75% of the cases, while B in 90% of the cases. In what percent of cases are they likely to contradict each other in stating the same fact? Do you think that statement of B is always true? (View Answer Video)
Question 3 : If E and F be two evets such that , , find if E and F are independent events. (View Answer Video)
Question 4 : Five bad oranges are accidently mixed with 20 good ones. If four oranges are drawn one by one successively with replacement, then find the probability distribution of number of bad oranges drawn. Hence, find the mean and variance of the distribution. (View Answer Video)
Question 5 : An urn contains 4 balls. Two balls are drawn at random from the urn (without replacement) and are found to be white. What is the probability that all the four balls in the urn are white? (View Answer Video)
Question 1 : Find the scalar quantities from the following:
(i) 10 kg (ii) 2 m north-west (iii)
(iv) 40 W (v) (vi) (View Answer Video)
Question 2 : Compute the magnitude of the following vectors:
(View Answer Video)
Question 3 : Find a unit vector parallel to the sum of vectors and (View Answer Video)
Question 4 : Write the position vector of the point which divides the join of points with position vectors and in the ratio 2:1. (View Answer Video)
Question 5 : Find the area of the triangle with vertices A(1, 1, 2), B(2, 3, 5) and C(1, 5, 5). (View Answer Video)