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

Feb2313 09:24 AM
micromass

1 
45,329 
Hello,
There is a question in Calculus By James Stewart (5e) that says:
Find the horizontal and vertical asympotes...

Jul2804 12:51 AM
Corneo

2 
1,366 
Please don't laugh at the following: I am new to multivariable calculus, and just thought of this on the fly:
In...

Jul2804 07:26 AM
njoshi3

4 
1,382 
I've tried mathworld and wiki but I can't find the ndimensional version of Taylor's Theorem. Is it formulated in...

Jul2804 07:12 PM
Hurkyl

12 
1,702 
i thought stokes theorem (green's thm) was hard after reading it in spivak, who calls it trivial nonetheless. however...

Jul2904 12:58 AM
mathwonk

5 
4,730 
Hi there... i need a help with this question as soon as possible...
Find a positive number such that the sum of the...

Jul2904 03:44 AM
aMo0oDi

6 
1,168 
How do I show that f(x)=x^2 is continuous at any given point, say x=3.
Thank you.

Jul2904 07:30 PM
mathwonk

18 
11,029 
Hi,
I have now been working for a couple of days on the following system without finding any real clue...
Could...

Jul2904 07:59 PM
mathwonk

1 
1,120 
Hi, I will be going into college this Fall, and am wondering a good way to get a little ahead of everything by...

Jul3004 01:28 AM
Cod

1 
20,507 
I'm trying to use LOGs other than log base 10 and base e on my TI86. Can I accomplish this like this?:
log base a...

Jul3004 02:35 AM
Galileo

2 
2,630 
Here's the question, what should u do to check whether the randomness of number given uot by computer is indeed...

Jul3004 07:01 PM
suffian

7 
1,585 
For all of you with broad knowledge help me out a little here.
I was given a list of math's to know before i could...

Aug204 02:32 PM
pnaj

16 
3,355 
does...
\lim_{n \rightarrow \infty} \frac{n}{(n!)^\frac{1}{n}} = e
If not, is it divergent?

Aug304 03:17 AM
Galileo

4 
1,268 
int(int(abs(xy)*6*x^2*y)) the range of x and y are 0,1. Normally i'd check to split it up and change the limits, but...

Aug404 10:14 PM
Goalie_Ca

2 
6,165 
I am trying to calculate (analytically) the integral:
\int_{0}^{\pi} \left ^2 J_{0}(k_0 L \sin \theta ) \sin^3...

Aug504 04:46 AM
Gza

3 
1,823 
I'd like hints only please. I have an analysis book and I could look up the proof myself but I'm trying to prove it...

Aug504 05:37 AM
arildno

10 
2,078 
How do I evaluate:
d/dt sqrt = 0
to get a max/min value.
can I make a u substitution of some sort?

Aug504 03:45 PM
kurious

2 
10,440 
I'm studying out of Stewart's for my Calc IV class, and hit a stumbling block in his section on the fundamental...

Aug604 04:28 AM
Gza

7 
11,981 
I have problems calculating the integral (here 8 means infinite)
Int(ci8,c+i8)dsexp(sx)/sR(s) where R(sd) is...

Aug604 04:33 AM
eljose79

4 
1,583 
Let me present to you a problem of great diffculty.
For those who don't know what a trebuchet is, it is a medieval...

Aug604 10:42 AM
Nicholas

0 
12,836 
ok I know how to solve for the volume no prob, but when you find the surface area, in all the proof they always drop...

Aug604 11:22 PM
mathwonk

8 
4,683 
I need to know how to get the first 6 terms of the power series for:
f(x)=ln(x) centered at x=1. Thanks

Aug604 11:25 PM
mathwonk

4 
1,525 
anyone has an easy way to do the following problem..
\int \sqrt{\tan x} dx

Aug704 06:23 AM
Dr.Brain

5 
1,368 
Hello again people, thank you for the help I recieved on the last integral I posted here but never got around to...

Aug704 09:40 AM
maverick280857

7 
1,020 
This is more of a dimensional analysis or unit analysis problem than a basic analysis problem. So if I didn't post...

Aug804 11:24 AM
mathwonk

6 
15,546 
In finding a derivative of a value, how do you know whether when to use the power rule or the chain rule? can anyone...

Aug804 11:59 AM
mathwonk

4 
1,514 
I posted the same thread twice. Oops. :tongue2:

Aug804 04:41 PM
devious_

5 
1,195 
I'm a week or two away fromt the end of my vector calculus class and we are covering topics like surface integration,...

Aug804 07:27 PM
mathwonk

3 
1,919 
I know the integral of sec x is
lntan(x)+sec(x)+C,
but how would you do it? I tried all the techniques and...

Aug904 01:10 AM
Corneo

2 
38,469 
I don't know how to do fancy symbols, but
Integral of 1/((sinh)^2) .dx
I got as far as 1/2 Int(sech(2x)). d(2x),...

Aug1004 11:41 AM
JonF

3 
1,044 
Im trying to understand a "simple" identity.
I have the problem \ddot{y}+g(t,y)=0
with y(0)=y_{0} and...

Aug1004 04:13 PM
ReyChiquito

2 
1,077 
Does anyone know control theory? I need to know whether it can be used to find inputs for a neural network in order...

Aug1104 03:26 AM
annaph

1 
1,701 
i suppose all of us know the famous Cauchy,s formula
Int(c)f(z)dz/(za)=(2pi)if(a)
but could be applied the same...

Aug1104 04:31 PM
mathwonk

1 
1,167 
Problem: Show that the commutator of two bounded linear operators cannot equal the identity.
If it helps, the two...

Aug1204 01:38 PM
Eye_in_the_Sky

0 
2,692 
Hi.
I want to know what you think about this, that's why I write this message.
According to the function u(t):
...

Aug1204 04:14 PM
arildno

2 
727 
Int (x+ arcsin (x))/(sqrt(1x^2))
It's not working when I put U = (x+ arcsin (x)) and dU= 1/(sqrt(1x^2)
Is there...

Aug1304 05:38 PM
Zurtex

9 
1,422 
My school teaches differential equations and linear algebra at the same time. And this upcoming semester is my...

Aug1604 12:14 PM
JonF

12 
2,199 
i dont really understand when you differentiate both sides of an equation to, for example, time.
like, if you have...

Aug1704 09:09 AM
daveed

3 
1,441 
I am looking for some good materials on Lebesgue integrals, especially anything with a geometric / visual flavor. Any...

Aug1704 11:37 AM
sal

1 
1,851 
Hello everyone. I have 2 questions.
1. Prove that the cube root (3) + sqrt (2) is irrational.
My Solution ...

Aug1804 01:46 PM
courtrigrad

3 
2,146 
I know for a fact that
\int \frac{(du)}{(a^2 + u^2)} = \frac{1}{a} \cdot arctan \frac{u}{a} + C
I was given...

Aug1804 02:11 PM
JonF

7 
11,640 