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Recent questions tagged Application of derivatives
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votes
0
answers
Find the approximation values of, tan(45°10'), given that 1°=0.0175
asked
Jan 30
in
Class XII Maths
by
Ashima1224
(
15
points)
application of derivatives
0
votes
1
answer
The points at which the tangents to the curve y = x3 - 12x + 18 are parallel to x - axis are
asked
Mar 29, 2018
in
Class XII Maths
by
nikita74
(
-1,022
points)
application of derivatives
0
votes
1
answer
The equation of tangent to the curve y(1+x2) = 2-x where it crosses x-axis is
asked
Mar 29, 2018
in
Class XII Maths
by
nikita74
(
-1,022
points)
application of derivatives
0
votes
1
answer
If y = x4 - 10 and if x changes from 2 to 1.99, what is the change in y
asked
Mar 29, 2018
in
Class XII Maths
by
nikita74
(
-1,022
points)
application of derivatives
0
votes
1
answer
If the curve ay + x2 = 7 and x3 = y, cut orthogonally at (1,1) , then the value of a is:
asked
Mar 29, 2018
in
Class XII Maths
by
nikita74
(
-1,022
points)
application of derivatives
0
votes
1
answer
The equation of normal to the curve 3x2 - y2 = 8 which is parallel to the line x+3y = 8 is
asked
Mar 29, 2018
in
Class XII Maths
by
nikita74
(
-1,022
points)
application of derivatives
0
votes
1
answer
The curvey y = x1/5 has at (0,0)
asked
Mar 29, 2018
in
Class XII Maths
by
rahul152
(
-2,844
points)
application of derivatives
0
votes
1
answer
A ladder, 5 meter long, standing on a horizontal floor, leans against a vertical wall. If the top of the ladder slides downwards at the rate of 10cm/sec,
asked
Mar 29, 2018
in
Class XII Maths
by
rahul152
(
-2,844
points)
application of derivatives
0
votes
1
answer
The sides of an equilateral triangle are increasing at the rate of 2cm/sec .
asked
Mar 29, 2018
in
Class XII Maths
by
rahul152
(
-2,844
points)
application of derivatives
0
votes
1
answer
The sum of the surface areas of a rectangular parallelepiped with sides x, 2x and x/3 and a sphere is given to be constant.
asked
Mar 29, 2018
in
Class XII Maths
by
rahul152
(
-2,844
points)
application of derivatives
0
votes
1
answer
A metal box with a square base and vertical sides is to contain 1024 cm3.
asked
Mar 29, 2018
in
Class XII Maths
by
rahul152
(
-2,844
points)
application of derivatives
0
votes
1
answer
AB is a diameter of a circle and C is any point on the circle.
asked
Mar 28, 2018
in
Class XII Maths
by
nikita74
(
-1,022
points)
application of derivatives
0
votes
1
answer
If the sum of the surface areas of cube and a sphere is constant,
asked
Mar 28, 2018
in
Class XII Maths
by
nikita74
(
-1,022
points)
application of derivatives
0
votes
1
answer
Find the dimensions of the rectangle of perimeter 36 cm which will sweep out a volume as large as possible,
asked
Mar 28, 2018
in
Class XII Maths
by
nikita74
(
-1,022
points)
application of derivatives
0
votes
1
answer
An open box with square base is to be made of a given quantity of card board of area c2.
asked
Mar 28, 2018
in
Class XII Maths
by
rahul152
(
-2,844
points)
application of derivatives
0
votes
1
answer
If the straight line x cos a + y sin a = p touches the curve x2/a2+y2/b2=1,then prove that a2cos2a + b2sin2a=p2.
asked
Mar 28, 2018
in
Class XII Maths
by
rahul152
(
-2,844
points)
application of derivatives
0
votes
1
answer
A telephone company in a town has 500 subscribers on its list and collects fixed charges of 300 per subscriber per year.
asked
Mar 28, 2018
in
Class XII Maths
by
rahul152
(
-2,844
points)
application of derivatives
0
votes
1
answer
Find the points of local maxima, local minima and the points of inflection of the function f(x) = x5-5x4+5x3-1.
asked
Mar 28, 2018
in
Class XII Maths
by
rahul152
(
-2,844
points)
application of derivatives
0
votes
1
answer
If the sum of the hypotenuse and a side of a right angled triangle is given, show that the area of the triangle is maximum when the angle between them is π/3 .
asked
Mar 28, 2018
in
Class XII Maths
by
rahul152
(
-2,844
points)
application of derivatives
0
votes
1
answer
Prove that f(x) = sin x + √3 cos x has maximum value at x = π/6
asked
Mar 28, 2018
in
Class XII Maths
by
nikita74
(
-1,022
points)
application of derivatives
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