Application of Derivatives MCQ CBSE Maths 12 Science Answers in English to enable students to get Answers in a narrative video format for the specific question.
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Question:
The slope of the normal to the curve at x = 0 is:
Answer Video in English:
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Question 1 : 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 2 : The normal at the point (1,1) on the curve is (View Answer Video)
Question 3 : Which of the following functions are strictly decreasing on (View Answer Video)
Question 4 : The line y = mx + 1 is a tangent to the curve if the value of m is: (View Answer Video)
Question 5 : 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 1 : The objective function is maximum or minimum, which lies on the boundary of the feasible region. (View Answer Video)
Question 1 : Find if
and
(View Answer Video)
Question 2 : Find the unit vector in the direction of if
and
(View Answer Video)
Question 3 : Evaluate the product (3a - 5b).(2a + 7b). (View Answer Video)
Question 4 : Find the direction cosines of the vector joining the points A(1, 2, -3) and B(-1, -2, 1) directed from B to A. (View Answer Video)
Question 5 : 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 1 : Number of binary operations on the set { a, b} are: (View Answer Video)
Question 2 : be defined as f(x) =
(View Answer Video)
Question 3 : Functions are defined respectively, by
, find
. (View Answer Video)
Question 4 : If f(x) = ax + b and g(x) = cx + d, then f[g(x)] – g[f(x)] is equivalent to, (View Answer Video)
Question 5 : If is a relation on N, write the range of R. (View Answer Video)