Calculus

All levels of calculus from Calculus I through Differential Equations and beyond.
I
Help w/ function y’=x’∙5tg3x-(5tg3x)’∙x/(5tg3x)².
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1
Views
652
stapel
stapel
D
Derivate group velocity equation v_g = c/2 (1 + 2kh / sinh 2kh) ; where c = w/k
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1
Views
1K
sinx
S
M
Probability that a credit card expires within a given 12 months
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3
Views
880
Steven G
Steven G
A
For a smooth function f(r) where r = |ṟ| and ṟ = xi̱ + yj̱ + zḵ is the radius...
Replies
1
Views
623
pka
pka
S
calculus 3 math problem: evaluate double integral D (2xy/(x^2+y^2)dxdy
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2
Views
789
Deleted member 4993
D
A
Solve R: 26,51= ((10,360232)/((1+r)^4)))+((11,29265288)/((1+r)^5)))+((12,3089916392)/
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2
Views
818
AndreF
A
C
Surface Area of Sphere of radius r is S=4 pi r^2 by finding surface area of solid...
Replies
1
Views
2K
Deleted member 4993
D
C
Calculus II Help; Centroid of the region bounded by y=sqrt(x) and y=x/2
Replies
1
Views
1K
Deleted member 4993
D
M
Find flux on z=x^2 + y^2, 0<z<1, normal pointing down, from the vector field A=
Replies
0
Views
728
Micimacko
M
H
Integration: F(x) = integral [from b to a] [(1/3) x^3] dx
Replies
3
Views
916
HallsofIvy
H
D
Logarithmic Differentiation of y=sin(x^(cos(x^2))) (can't get Wolfram Alpha's answer)
Replies
9
Views
2K
Dr.Peterson
Dr.Peterson
R
Limits of integration: region bounded by the planes z=x, x+z=8, z=y, y=8, and z=0
Replies
1
Views
2K
Deleted member 4993
D
B
using calculus to solve problem: distance x= 9/2t + t meters at time t >= 1
Replies
2
Views
880
bumblebee123
B
shahar
Infinitesimal = number? Why infinitesimal can't be a "number"?
Replies
1
Views
812
pka
pka
C
Boat pulled by 2 Ropes, Find Magnitude of Force in Each
Replies
7
Views
2K
sinx
S
S
derive eqn for vol of sphere using polar coordinates.
Replies
5
Views
2K
sinx
S
K
Function help! Given f(x) = 3k+2, find k so lim x->6 f(x) = f(6)
Replies
9
Views
2K
haktas
H
A
Is it even possible to solve 248.83=100*(1+x)^5 for x ?
Replies
2
Views
696
haktas
H
S
integrate Area of a rt triangle w/ hypotenuse=r, horizontal=x, vertical=sqrt(r2-x2)
Replies
14
Views
4K
sinx
S
R
Need help with problem, difference quotients: slope of y=ln(x) close to x=4
Replies
3
Views
751
RightyBoyWilson
R
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