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

Feb2313 09:24 AM
micromass

1 
40,095 
Firstly does log(z) have any singularity other than z=0?
Secondly, z=0 is a pole of what order for log(z)? What is...

Apr3012 12:57 PM
jackmell

1 
1,715 
Hi guys, I have a calculus test tomorrow and it'll be great if I can recieve some answers + explanations! my review...

Dec1903 10:56 AM
hodeez

11 
1,714 
I need help with this problem.
Find dy/dx if e^2x = sin(x+3y)
Any help would be great!
I began by taking the...

Nov2105 07:45 AM
courtrigrad

13 
1,714 
Hi,all
My goal here is to show that the limit of a sequence a_n = sin n^1/n
i.e. lim _ sin n ^1/n does not...

Dec507 01:35 PM
rs1n

7 
1,714 
This isn't a homework question, although I am in a calculus course. I'm a little fuzzy on the method that I was taught...

Aug410 03:20 AM
Theorem.

4 
1,714 
for example
if f=Sin+Sin then f can not be a Trigonometric function,
why? how many ways to prove this?

Oct1210 10:18 AM
skyriver

2 
1,714 
A hemisphere shaped tank with vertical outlet pipe is full of mysterious liquid. Find the work required to pump the...

Nov2610 09:07 AM
HallsofIvy

1 
1,714 
f(x) = x , if x is rational
= 0 , if x is irrational
on the interval
i just wanted to check if my...

May508 10:11 AM
HallsofIvy

1 
1,713 
I would really like to get a jump on calculus before next semester when I take calculus.... The calc book that I am...

Jan911 05:01 PM
TylerH

14 
1,713 
Ok my last post was trivial, but it led to this question
Assume f is unbounded and analytic in some domain D, and...

Mar811 06:27 PM
Hyperbolful

2 
1,713 
Hi,
In a euclidean space X with two subsets E and F, the subset E+F is defined as the collection of all x+y, where x ...

Oct606 05:10 AM
HallsofIvy

5 
1,712 
Hi, i need to get some examples of quasiconformal maps..do help!

Feb1208 08:42 AM
mathwonk

1 
1,712 
Hi, All:
I have a function f: ℂ>ℂ' , i.e., a complexvalued function (use ℂ,ℂ' to make a distinction between the...

Nov1911 04:02 PM
Bacle2

6 
1,712 
What are the reasons for using washer meathod v.s cylindrical shells?
Cylindrical shells are much easier but there...

Feb909 05:18 PM
tinytim

1 
1,711 
Solving the Laplace equation in Cartesian Coordinates leads to the 2nd order ODEs:
\frac{X''}{X}=k_1, \qquad...

Jan1412 02:40 PM
Apteronotus

4 
1,711 
Hi  I'm trying to work out the following convolution problem:
I have the following integral:
...

Mar311 09:53 AM
thrillhouse86

2 
1,710 
e^{ix}=cos(x)+isin(x)
Simple enough?
Well I am biting my head off because I don't know how he did it.
Why...

Oct2911 08:11 PM
homeomorphic

7 
1,710 
Can someone please tell me if I have the correct answer for this one?
e^(5pi/4) = (1i)/(sqrt(2))
Thanks...

Sep2208 07:56 PM
HallsofIvy

3 
1,709 
I'm having trouble understanding where this concept comes from:
Step 1) If you start out with the following two...

Sep1709 04:35 PM
John Creighto

5 
1,709 
The function of the type:
\int {(x^2 + 1)^{5/2}}x dx
This is simple to integrate but the trigonometric...

Mar2605 07:44 AM
dextercioby

4 
1,708 
I just want to see if I got this correct. From what all I've read it seems that I have most of it understood, but eh,...

Sep1409 10:31 AM
rzaidan

3 
1,708 
I'm in University Physics, and my prof. just gave us a lecture to make sure we're aware of how to use derivatives and...

Sep2108 10:28 AM
Troponin

19 
1,707 
Hi there,
I was looking for something to levelup my knowledge from basic differentiation/integration (I'm a...

Aug1410 07:36 AM
eumyang

3 
1,707 
In the below video from approx. 12:00 onwards while explaining the proof for Quotient Rule, Mr. Miller says that while...

Dec2811 11:12 AM
Devil Doc

12 
1,707 
Hello all
I need help with the problem attached below. I tried proof by induction, but cannot prove it. P(n) is a...

Nov2304 06:32 PM
mathwonk

1 
1,706 
From the following attachments I understand how the roots of the equation and the perturbation coefficients were...

Jun208 02:27 PM
HallsofIvy

3 
1,705 
Hello!
I am looking for a value of an integral
\int^{\infty}_0 {r^{3\epsilon} \over (r^2+N^2)^2}dr
I have...

Mar809 03:58 PM
Santa1

5 
1,705 
Hey, all.
Anyway, I've been looking at books and sources online, and the only counterexample to the wrongly stated...

Jun111 12:36 PM
Metaleer

2 
1,705 
How do I solve:
lim =0
x1

May1705 03:15 PM
dextercioby

1 
1,703 
Hi all,
Does anyone know of a couple of good links I could view that would explain limits?

Feb108 10:45 AM
VietDao29

9 
1,703 
I'm studying for a maths test.
I know that the second derivative of the position R(t) of a particle moving in the...

Mar1810 02:23 AM
tinytim

11 
1,703 
Hi I'm having real trouble with this question. Any hints or ideas would be great.
Give an algorithm which depends...

Nov604 12:32 AM
cateater2000

0 
1,702 
I could use some help with this question:
Derive the geometric series representation of 1/(1x) by finding a0, a1,...

Oct2706 08:05 AM
Hurkyl

5 
1,702 
Q: Integral of Delta(xb)dx and the lower limit is () infinity and upper is a
Please help me in steps tried my best...

Oct2107 02:15 AM
nicksauce

3 
1,702 
Suppose that \{g_n\}_{n=1}^\infty is a sequence of positive continuous functions on I=, \mu is a positive Borel...

Dec908 08:39 PM
MarketPantry

0 
1,702 
The other day, I was thinking about Fourier series. Because eix is periodic, with period of 2 pi, we can use the...

Jan2513 10:29 PM
Boorglar

12 
1,702 
Yes, another of these. How do you decompose (z3+1)/(z(1z)2) ?
I've tried A/z + B/(1z) + (Cz+D)/(1z)2 and a slew...

Sep2411 10:45 PM
Dickfore

12 
1,701 
Now in my textbook it shows the following partial derivative solution:
\frac{d}{dx}(3y^{4} + e^{x} sin y) = e^{x}...

Aug1408 06:39 PM
BoundByAxioms

12 
1,701 
Can the limit comparison test work on alternating series? I looked at the conditions online and it said that the...

Mar310 09:21 PM
Anonymous217

12 
1,701 
Mod note: These posts are orginally from the thread: http://www.physicsforums.com/showthread.php?t=626545
The...

Aug1012 12:26 PM
Bacle2

21 
1,701 