
Please post any and all homework or other textbookstyle problems in one of the Homework & Coursework Questions...

Feb2313 09:24 AM
micromass

1 
45,166 
so i have one problem and i just need to know if my integral is right. any help would be greatly appreciated
1. a...

Oct2406 04:50 AM
arildno

1 
1,888 
How do you integrate the following questions?
1) x/((3x^4)^(1/2))*dx
2) (1+e^x)/(1e^x)*dx
3)...

Oct2306 12:05 AM
courtrigrad

1 
2,450 
a) With f(x)= e^x^2 , compute approximations using midpoint, trapezoidal and simpson's rule with n=2.
I found that...

Oct2506 06:22 PM
jkh4

1 
4,112 
I'm trying to understand the Hahn Banach theorem, that every bounded linear functional f on some subspace M of a...

Oct2806 12:06 PM
StatusX

1 
3,845 
Find Critical Numbers of:
F(z) = (z+1)/(z^2+z+1)
Did I start off correctly??
D/dz =  (z + 1)(2z+1)/(z^2+z+1)...

Nov606 04:24 PM
mathman

1 
2,165 
I am reading something about Electromagnetic wave and Antenna, and come across some equations that the author says are...

Nov906 12:00 PM
Karlisbad

1 
2,035 
Attahced is a file of a problem I am trying to solve. Thanks for any help

Nov906 01:41 PM
Galileo

1 
1,260 
There is a circle with a radius of 5 bisected by the yaxis. If we move it up and down the yaxis, different...

Nov1906 02:08 AM
factor

1 
2,989 
(Wow...it's been over three months since I posted anything...:eek:)
Anyhow,
Given continuous functions...

Dec2506 07:11 AM
bomba923

1 
1,450 
Given f,g in L^1(R), I'm given the inequality:
f * g_1 \leq f_1 g_1
And now I'm supposed to derive...

Nov3006 10:42 PM
StatusX

1 
1,030 
Hey guys,
I need help with the expansion of this integral:
\int_0^\infty Z(x) J_o(\lambda x)dx for \lambda...

Nov2906 09:28 PM
Clausius2

1 
1,649 
Hi,
I'm doing a problem about finding volume using shells, and I'm really confused about what the the width...

Dec506 12:10 PM
quasar987

1 
1,078 
i would need to solve the integral equation..:confused: :confused:
g(x)=\int_{\infty}^{\infty}dte^{ixf(t)}
...

Dec906 07:04 AM
DeadWolfe

1 
881 
Simple question. Are reference angles always positive??

Dec1306 12:26 PM
HallsofIvy

1 
4,103 
hi!
who help me to find the antiderivative of:
(x^3 + 3x^2)/(x^2 + 4x + 4)
thanks

Dec1306 02:00 PM
HallsofIvy

1 
1,214 
My physics professor introduce us to the gamma function a few weeks ago, and I've been thinking about it quite a bit. ...

Dec1406 11:51 AM
Doom of Doom

1 
2,810 
Hi there,
I'm new here and I'm really glad that I found a community to discuss calculus even though its not really...

Dec1606 06:00 AM
Gib Z

1 
2,221 
Suppose we have a function,
y=Cx
where C is a constant.
we take the derivative of both sides:
dy/dx = d/dx...

Dec1506 04:44 AM
matt grime

1 
1,927 
I need a good calculus of variations book. I would like something that is clear but not devoid of mathematical rigour.

Dec1906 06:32 PM
traianus

1 
2,228 
Use the Mean Value Theorem to show that:
a)Suppose f is a diferentiable function on the interval a < b, and suppose...

Dec2006 02:18 AM
quasar987

1 
1,613 
Let
f(x)=
{1 if 1 < x<0;
{1 if 0 < x < 1.
Prove that f(x) is integrable on 1 < x < 1.

Dec2006 01:36 AM
quasar987

1 
1,592 
If f(x)>0 for all xElementofsymbol , then
b
Integral sign f>0
a
a) Give an example where f(x)>0 for all...

Dec2006 02:03 AM
quasar987

1 
1,299 
I've been working on this for the past hour, but haven't gone anywhere with it. If anyone can help to complete it, it...

Dec2006 01:53 AM
quasar987

1 
1,824 
What is the justification for this inequality?
\int_0^1(u(s)+v(s))(u(s)v(s))ds\leq...

Dec2306 06:45 PM
bham10246

1 
1,606 
Dear All,
I need to know the area of the crescent created by overlapping circles;e.g. a circle radius 50µm...

Jan907 10:44 AM
StatusX

1 
13,545 
There's a question here from a past exam paper I don't understand. I have the answer that my lecturer gave but the...

Jan1507 03:41 PM
benorin

1 
924 
Does there exist a chain rule for functional derivatives? For example, in ordinary univariate calculus, if we have...

Jan2007 10:51 AM
DeadWolfe

1 
2,476 
Hi,
i've seen a textbook where the integration inthe following expression is performed:
C(S,V,t) =...

Jan2607 06:57 AM
HallsofIvy

1 
1,354 
hey all
if I have the function for a derivative (which it is impossible to find an integral for, by the way), how do...

Feb907 07:12 PM
HallsofIvy

1 
5,176 
Hi,
Some time ago one of my professors told us about a remarkable theorem, which stated something along the lines...

Feb1707 12:11 PM
HallsofIvy

1 
1,302 
Can someone tell me what is numerov's method ?

Feb1707 01:38 AM
TenaliRaman

1 
3,947 
Can anyone assist me in proving Archimedean Property?
It will really help if someone can explain the proof to me.

Feb1707 11:09 PM
Bitter

1 
1,212 
I was wondering if Limits commute,
Ie:
Limit of z to infinity]
=
Limit of z to 0]
Edit: Nvm, they dont......

Feb2007 05:40 PM
AKG

1 
1,146 
Hi, ok I'm working with linear transformations between normed linear spaces (nls)
if T :X > Y nls's is a linear...

Feb2107 04:31 PM
mathman

1 
1,416 
Hello,
I would be interrested to learn if there are some (new) open source and/or possibly free librairies...

Mar307 10:29 PM
ranger

1 
2,290 
How do you derive hypergeometirc identities of the form
2F1(a,b,c,z)= gamma function. What I mean is that the...

Mar207 01:53 AM
DavidSmith

1 
2,514 
Ok, i'm supposed to found the volume of the solid that is created after rotating the line f(x) = 2x1 around the x...

Mar507 08:59 PM
marcin w

1 
7,070 
I have a function
G_0=\frac{1\alpha/u^2}{1\alpha u^2} .
Since 0<\alpha<1, G_0 has zeroes but no poles inside the...

Mar2007 11:53 AM
mathwonk

1 
1,033 
I am having trouble with this limit, i am to do a Limit test but I just don't see it.
Step 1.
Lim sqrt(x) ...

Mar2407 02:11 AM
Moo Of Doom

1 
1,385 
Hey!
Can someone help me solve the following integral
\int_0^{2\pi} exp d\theta
I've tried splitting the...

Mar2407 03:56 PM
jpr0

1 
2,761 