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Recent questions tagged application of derivative
+1
vote
1
answer
If xy = c^2, then the minimum value of ax + by is (A) c√(ab) (B) 2c√(ab)
asked
Apr 6, 2019
in
JEE
by
kratos
jee
differentiation
application of derivative
jee mains
class-12
+3
votes
1
answer
Find the area of greatest rectangle that can be inscribed in an ellipse
asked
Apr 6, 2019
in
JEE
by
kratos
applications of derivatives
circle
cbse
two dimensional analytical geometry
jee
application of derivative
conic section
jee mains
class-12
+2
votes
1
answer
Show that height of the cylinder of greatest volume which can be inscribed in a right circular cone of height
asked
Apr 6, 2019
in
Class 12
by
kratos
applications of derivatives
cbse
maxima
minima
application of derivative
class-12
+3
votes
1
answer
If the radius of a sphere is measured as 9 cm with an error of 0.03 cm then the approximate error in calculating volume is
asked
Apr 5, 2019
in
Class 12
by
kratos
errors and approximations
application of derivative
approximate values
class-12
applications of derivatives
differentials
cbse
+2
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
asked
Apr 4, 2019
in
JEE
by
kratos
applications of derivatives
isc
the maxima and minima
jee
application of derivative
icse
jee main
class-12
+1
vote
1
answer
The point on the curve x^2 = 2y which is nearest to the point (0, 5) is
asked
Apr 4, 2019
in
Class 12
by
kratos
class-12
application of derivative
+1
vote
1
answer
On which of the following intervals is the function f given by f(x)=x^100+sinx-1 strictly decreasing?
asked
Apr 4, 2019
in
Class 12
by
kratos
class-12
application of derivative
+2
votes
1
answer
Find the slope of the tangent to the curve y = x^3 − 3x + 2 at the point whose x-coordinate is 3.
asked
Apr 4, 2019
in
Class 12
by
kratos
class-12
application of derivative
+3
votes
1
answer
(a) Find all the possible dimensions (in natural numbers) of a rectangle with a perimeter 36 cm and find their areas.
asked
Apr 2, 2019
in
Class 12
by
kratos
maxima and minima
mensuration
class-8
application of derivative
class-12
+2
votes
1
answer
Show that the equation of normal at any point on the curve x = 3cos θ – cos^3θ,
asked
Apr 2, 2019
in
Class 12
by
kratos
class-12
trigonometry
class-10
application of derivative
+1
vote
1
answer
Find the maximum area of an isosceles triangle inscribed in the ellipse x^2/a^2 +y^2+b^2=1 with its vertex at one end of the major axis.
asked
Apr 1, 2019
in
Class 12
by
kratos
applications of derivatives
cbse
maxima
minima
application of derivative
class-12
+1
vote
1
answer
If the straight line x cosα + y sinα = p touches the curve
asked
Mar 31, 2019
in
JEE
by
kratos
jee
differentiation
parabola
application of derivative
jee mains
class-12
+1
vote
1
answer
Show that , y= log (1+x)- 2x/(2+x),x > =1,is an increasing function of x throughout its domain.
asked
Mar 31, 2019
in
Class 12
by
kratos
applications of derivatives
cbse
decreasing functions
application of derivative
increasing functions
class-12
+3
votes
1
answer
If x = acos^3θsin^2θ, y = asin^3θcos^2θ and [(x^2 + y^2)m/(xy)n] (m, n ∈ N, Q ∈ [0, 2π])
asked
Mar 30, 2019
in
Class 12
by
kratos
waves
sound
oscillations
class-11
application of derivative
class-12
differentiability
continuity
+2
votes
1
answer
An object of mass 3 kg is at rest. Now a force of vector F = 6t^2 i + 4t j is applied on the object then velocity of object at t = 3 sec.
asked
Mar 30, 2019
in
Class 12
by
kratos
vector calculus
neet
class-11
aiims
kinematics
application of derivative
class-12
motion in a plane
+2
votes
1
answer
If xy + x ∙ e^–y + y ∙ e^x = x^2 and (dy/dx) = [(A + y + e^–y – 2x)/(B + e^x + x)] then
asked
Mar 29, 2019
in
JEE
by
kratos
jee
application of derivative
differentiation
jee mains
+3
votes
1
answer
Let I be any interval disjoint from (−1, 1). Prove that the function f given by
asked
Mar 29, 2019
in
JEE
by
kratos
class-12
application of derivative
jee
jee mains
+3
votes
1
answer
Prove geometrically that cos(A + B) = cos Acos B - sin Asin B.
asked
Mar 29, 2019
in
JEE
by
kratos
waves
sound
oscillations
class-11
differentiation
jee
application of derivative
jee mains
class-12
differentiability
continuity
+2
votes
1
answer
Find the equation of the normal to the curve y = x^3 + 2x + 6 which are parallel to the line x + 14y + 4 = 0.
asked
Mar 28, 2019
in
Class 12
by
kratos
class-12
application of derivative
tangents and normals
+3
votes
1
answer
If y = [(sin^2x)/(1 – cotx)] + [(cos^2x)/(1 – tanx)] and |[dy/dx]|x=(π/4) =_________
asked
Mar 28, 2019
in
JEE
by
kratos
jee
application of derivative
differentiation
jee mains
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