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

Feb2313 09:24 AM
micromass

1 
40,015 
I'm trying to solve this problem:
Compute \oint_c(y+z)dx + (zx)dy + (xy)dz using Stoke's theorem, where c is the...

Aug905 08:31 AM
HallsofIvy

1 
1,264 
Howdy felles.
I have a question which I find rather confusing, and that is to prove that the area between two...

Aug905 04:36 AM
VietDao29

9 
3,139 
While working on a problem in special relativity I ran into the following equation and am trying to understand it...

Aug805 02:47 PM
mmwave

1 
2,517 
Hello,
I'm trying to calculate the following integral,
in the limit that n goes to infinity:
\int_{1}^{\infty}...

Aug805 02:37 PM
Theraven1982

11 
1,394 
hello all.
Im a bit stuck on a math problem. I am trying to figure out what the parametric equations of a trajectory...

Aug805 08:25 AM
HallsofIvy

1 
902 
Question 1
Prove that if (V, \\cdot\) is a normed vector space, then
\left \x\  \y\ \right \leq...

Aug805 07:00 AM
Oxymoron

13 
1,421 
Hey, everyone
I am working on a calc problem, and I have no idea where to start. The integral is
e^x...

Aug705 08:10 PM
LeonhardEuler

21 
1,682 
It's a really interesting equation. I'm not sure how it works out though. On a similar note, when I raise a whole...

Aug705 05:05 PM
SteveRives

18 
2,624 
To integrate functions as the limit of an integral sum, how can we know which way to take the partition points in the...

Aug705 04:51 PM
matt grime

3 
4,850 
Hi
Just had a question.
Assuming tan(x) is given by a power series with coefficiants (An). How can it be shown...

Aug705 01:29 PM
complexhuman

2 
1,210 
Let define the function
Z(x)=\Gamma(x)2^{1x}\pi^{x}cos(x\pi/2)
then my question is if =1= with =a^2+b^^2...

Aug705 10:46 AM
shmoe

2 
1,438 
i know that zeta(2) = pi^2/6 and zeta(4) = pi^4/90
what is zeta(3)? can i use fourier series?

Aug605 11:40 PM
shmoe

4 
1,546 
The following is an outgrowth from a problem I encountered in the Homework section concerning the convergence of:
...

Aug605 05:58 PM
mathman

13 
1,118 
Equation1:
\frac{d^2}{dx^2} (x^n) = \frac{d}{dx} \left
The LHS for Equation1 is the symbolic condensed version...

Aug605 05:16 PM
iNCREDiBLE

4 
1,815 
hi felles.
I am trying to find what is the volume of the y=\frac{a}{x^2}+b is when it is rotated in yaxis.
The...

Aug605 04:42 PM
Orion1

3 
1,212 
I know basic calculus such as derivatives and integration. Before school starts, I would like to get prepared for my...

Aug505 11:52 PM
sniffer

5 
1,510 
For the proof of lagrange multipliers, it is based on the assumption that the function you are optimizing, f(x,y,z),...

Aug505 04:23 PM
matt grime

11 
2,143 
I'm working on a problem that I've almost completed except for a single integral that I can't seem to figure out. I...

Aug505 03:33 PM
tomkeus

11 
2,422 
Im supposed to solve
integral 10 to +infinity ((sin(1/x)/(1+x^3))dx with error precision of e=0.5*10^4. Can someone...

Aug505 01:31 PM
undefined83

1 
1,892 
I am seeking a function r=r(\eta) for a computational mesh. It has to have the same shape as the one shown in the...

Aug505 09:03 AM
Clausius2

0 
1,064 
If I_n = (0, 1/n) where n is any natural no. is a sequence of nested intervals, then the intersection of all the I_n...

Aug405 02:09 PM
HallsofIvy

4 
3,857 
I am trying to find the ▲cos x. By using its definition.
It simply turned out to be cos(x+1)  cos(x). How do I...

Aug405 09:30 AM
irony of truth

7 
1,528 
In stewart, page 806 he says:
"In the special case in which the equation of a surface S is of the form z=f(x,y)...

Aug405 09:18 AM
matt grime

11 
1,638 
I need to prove the following:
\int_{0}^1\int_{0}^1\int_{0}^1\frac{1}{1xyz}dxdydz=\sum_{n=1}^{\infty}\frac{1}{n^3}...

Aug405 07:33 AM
amcavoy

2 
1,143 
Hi, I've typed up my work. Please see the attached pdf.
Basically, I am trying to sovle this problem.
...

Aug405 06:49 AM
lurflurf

7 
8,100 
Why is the vanishing of a cyclic integral the property of a state function?

Aug305 10:38 PM
asdf1

2 
828 
I started this problem and quickly became stuck, the question asks for what value of "a" is the following true:
...

Aug305 08:58 PM
techtown

4 
921 
HI,I'got problem with my calculus especially derivatives,here is the sum please help:Find dy/dx if...

Aug305 06:45 AM
Maxos

1 
891 
let be the integral \int_{i\infty}^{i\infty}\frac{1}{exp(s)1}ds then their poles are 2n\pi my question is How...

Aug305 06:31 AM
eljose

0 
1,412 
Can someone help me... i need to show, that a system of 2 nonlinear equations
has a root. I think it is possible to...

Aug305 04:42 AM
steffka

4 
967 
Can you please offer any hints or suggestions on how to do these two problems:
1) Find the Maclaurin series of...

Aug205 09:12 PM
lurflurf

2 
3,148 
Im reading over about the directional derivative.
Stewart, page 800 says:
"Proof: If we define a function g of...

Aug205 03:42 PM
Hurkyl

13 
1,782 
Can someone help me derivate this function, I'm not sure if I got the right answer
...

Aug105 03:20 PM
Crosson

3 
962 
I am inquiring as to why integration variables cannot be interpreted using this method:
\frac{d}{dx} (x^n) = nx^{n...

Aug105 08:30 AM
Hurkyl

7 
1,359 
integral dx/sqrt(x  a)
integral dx/sqrt(1/ax)

Aug105 08:25 AM
HallsofIvy

5 
814 
How is this problem solved using the Limit Sum Integer method?
\int_{2}^{10} x^6 \; dx

Jul3105 09:23 PM
Orion1

3 
2,171 
let Q be the solid that is outside both x^2 +y^2 +z^2=1 and z=2x^2 +2y^2 +2, yet inside z=4\sqrt{x^2 + y^2}
Could...

Jul3105 05:40 PM
saltydog

12 
1,057 
I am posting my theorems for peer review, anyone interested in posting some proofs using some simple functions?
Can...

Jul3005 07:59 PM
Orion1

4 
3,596 
Ok guys, about two weeks ago I posted asking about the fundamental theroem of calculus and the use of the dummy...

Jul3005 03:12 PM
matt grime

16 
1,944 
Feeling a little bit more confident about my calculus skills I was hoping to check if this is correct. Let’s say you...

Jul3005 09:24 AM
Zurtex

4 
1,597 