Calculus

All levels of calculus from Calculus I through Differential Equations and beyond.
A
Maximizing utility/Elasticity of demand
Replies
9
Views
625
MarkFL
MarkFL
M
Problem with integration
Replies
3
Views
578
Steven G
Steven G
B
Pre Calculus Question: Couldn't find anywhere else to ask.
Replies
5
Views
624
MarkFL
MarkFL
A
Consider f(x) = px^2+qx, p, q constants, (1, 3) lying on the curve. Tangent at (1, 3) has gradient 8. Find p, q.
Replies
4
Views
3K
HallsofIvy
H
G
Inverse of complex numbers...help! stuck on function f(a+ib)=(1-2a)+i(3b+2)
Replies
2
Views
537
Dr.Peterson
Dr.Peterson
K
Application of derivative: 4m long ladder leans against the wall and being pulled horizontally....
Replies
6
Views
1K
Harry_the_cat
Harry_the_cat
A
Geometric y=1/x thinking.. (A(a) = int[1, a] [1/x] dx; why is A(a) + A(b) = A(ab)?)
Replies
15
Views
1K
apple2357
A
S
How to approach expanding f(x) = int[0, x] [ln(1 + t^2)] dt in a power series
Replies
7
Views
854
Steven G
Steven G
A
Quotient Rule proof: toy w/ parachute thrown into air; height H(t) = (4t^{2/3})/(t^2+1)
Replies
1
Views
700
Dr.Peterson
Dr.Peterson
J
Differentiating related functions: Sand falls from a conveyor belt and forms a conical pile....
Replies
5
Views
688
Steven G
Steven G
S
Does series sum[n=0,infty] [(n^3 cos(n pi)) / (n^4+3n^2+1)] converge cond'ly, conv. abs'ly, or diverge?
Replies
9
Views
1K
pka
pka
R
Complex line integration problem
Replies
0
Views
446
rickerp
R
K
Upper, lower sums: How are g(x), h(x) obtained, and their intervals? How do sums relate to function?
Replies
12
Views
793
KFS
K
B
Limit[x->2] [cos(pi/x) / (x-2)], using "hint" t = pi/2 - pi/x, so pi/x = pi/2 - t, so.... ??
Replies
10
Views
881
Dr.Peterson
Dr.Peterson
L
right circular cylinder is inscribed in cone with height h, base radius r. Find largest possible volume of cylinder.
Replies
2
Views
2K
MarkFL
MarkFL
M
If a, b satisfy lim[x -> 0] [(sqrt{ax + b} - 5) / x] = 1/2, then value of a + b is...?
Replies
17
Views
2K
pka
pka
B
Why can they just trigonometric functions by x? Won't that mess up/change the original equation?
Replies
2
Views
390
bbm25
B
B
Help with using the formal definition of limit to show that the limit [x -> 1/4] [8x] = 2
Replies
5
Views
484
bbm25
B
M
Area of a segment of a circle using integral (integral value isn't matching software answer)
Replies
0
Views
497
Moshikonet
M
B
problem with not knowing why i need to use the identity of cos (x-+y)
Replies
4
Views
496
Steven G
Steven G
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