Calculus

All levels of calculus from Calculus I through Differential Equations and beyond.
V
How many real number a<-1 satisfies int_0^1 [ 1 / (x^2 + a) ] = ln(1/2) / (2 sqrt{-a})
Replies
8
Views
737
Violette
V
A
Activity 2 calculus: Show that sum{k=1, infinity} [ 1 / (k^2 - 1) ] satisfies Integral Test, and...
Replies
2
Views
509
blamocur
blamocur
A
Another activity: Use dominant term of sum{k=1, infinity} [ (k^2 + 2k + 1) / sqrt(k^7 + k^5) ] to determine whether it con-/di-verges
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1
Views
661
khansaheb
K
A
Use p-test to determine if sum{k=1, infinity} [ 1 / cbrt(k^4 + k^3 + k^2 + k) ] converges/diverges
Replies
1
Views
466
khansaheb
K
A
Calculus - activity: An infinite number of squares are inscribed in a one-by-one square as shown.
Replies
1
Views
575
Dr.Peterson
Dr.Peterson
D
Surface Integral 1 / ( x + y + z )dS. S: x + 43y + 5z = 6, in intersection with axis' coordinates.
Replies
9
Views
780
Dumirubbish
D
J
Profit Max? "A mill produces high & low quality steel. The profit on the former is double the latter...."
Replies
2
Views
313
limiTS
L
Z
Help! And laugh if you like! (font sizes for logo with different dimensions)
Replies
2
Views
476
ziva
Z
A
Activity part 1: int [ 2 / sqrt{x^2 + 6x + 5} ] dx = 2 int [ 1 / sqrt{(x+3)^2 - 4} ] dx = ?
Replies
4
Views
638
armn91
A
A
Activity part 2: int [ {1 / 2sec(theta)} * {2sec^2(theta)} ] d-theta = 2 LN|sec(theta)+tan(theta)| + C
Replies
1
Views
400
khansaheb
K
Y
Dog-Owner problem(pursuit curve) with euler
Replies
2
Views
555
skeeter
skeeter
H
Compute the curl of F(x,y,z) = (e^x sqrt[1+x^2])/(1+sin^4(x)) + ....
Replies
2
Views
569
Hckyplayer8
H
A
Use def. of improper integral to find int {2,infinity} [ 1/(x-2)^4 ] dx
Replies
3
Views
572
armn91
A
L
Hi!! I need help with this problem :c
Replies
9
Views
760
nasi112
N
G
Iterations with the fixed result: I want to make some curves from 0 to 1.
Replies
5
Views
732
blamocur
blamocur
K
Integration assessment check anyone?
Replies
8
Views
733
skeeter
skeeter
K
Integration maths assessment. Did I pass?
Replies
3
Views
498
stapel
stapel
A
Why doesn't this work? (using sine instead of tangent)
Replies
16
Views
1K
Steven G
Steven G
U
Convergent Geometric Series
Replies
15
Views
1K
urimagic
U
P
Find the max height of a ball being thrown upwards
Replies
2
Views
541
Steven G
Steven G
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