CBSE Maths 12 Science MCQ Application of Derivatives Answers in English to enable students to get Answers in a narrative video format for the specific question.
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Question:
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Question 1 : The normal at the point (1, 1) on the curve is: (View Answer Video)
Question 2 : Find the equation of the normal to a curve which passes through the point (1,2). (View Answer Video)
Question 3 : The length x of a rectangle is decreasing at the rate of 5cm/minute. and width y is increasing at the rate of 4cm/minute. When x=8cm and y=6 cm, find the rate of changes of:
(a) the area of the rectangle. (View Answer Video)
Question 4 : 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: (View Answer Video)
Question 5 : Find the maximum profit that a company can make if the profit function is. (View Answer Video)
Question 1 : If lines and intersect, then find the value of k and hence find the equation of plane containing these lines. (View Answer Video)
Question 2 : If a line marks angles and with x, y and z-axis respectively, where is acute, then find . (View Answer Video)
Question 3 : Find the equation of the plane that contains the point (1, -1, 2) and is perpendicular to both the planes 2x + 3y - 2z = 5 and x + 2y - 3z = 8. Hence find the distance of point P(-2, 5, 5) from the plane obtained above. (View Answer Video)
Question 4 : Find the distance of the point (-1, -5, -10) from the point of intersection of the line and the plane (View Answer Video)
Question 5 : Find the angle between the planes 7x + 2y + 6z = 15 and 3x - y + 10z = 17. (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 the value of X, if and . (View Answer Video)
Question 2 : Given, , find the value of z. (View Answer Video)
Question 3 : Find the value of y, if . (View Answer Video)
Question 4 : If , find (x-y). (View Answer Video)
Question 5 : Compute: . (View Answer Video)