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

Feb2313 09:23 AM
micromass

1 
38,248 
While responding to another thread about summing nth powers of integers, I came up with what might be a new method....

Oct1805 01:38 AM
shmoe

5 
857 
In the derivation of a cycloid, it says (pg. 655 Stewart, 5th ed) OT = \text{arc} \ PT = r \theta .
I was just...

Sep2807 06:46 AM
HallsofIvy

4 
1,673 
in the following i will demonstrate a 'proof' that 1+1=0
1+1=√1 +1
=√(1)(1) +1
= (√(1))(√(1)) +1
...

Feb2014 12:09 PM
Integral

25 
1,137 
In the bionomial expansion (1+x)^p , p can be integer or fraction. The coefficients are written as p
...

Jul1110 09:10 AM
CRGreathouse

2 
919 
Whyyyyyy??! Whhhhhy?!!!?

May1211 06:47 AM
gikiian

6 
6,020 
In science proving something by making it linear is a cmmon approach.
For instance you can write some laws on this...

Feb1007 06:00 AM
D H

4 
919 
Hello all,
I'm in the process of working on developing a course to prepare students for calculus. The emphasis is...

Feb1109 01:34 PM
TacTics

3 
1,149 
Long story short, I've been looking for a program that can produce graphs like mathematica and manipulate 3D objects...

Mar811 10:01 PM
danzibr

0 
1,222 
1) in my exams there were 3 simple questions on integration carrying 5 marks each, i solved them correctly but the...

May1810 02:37 AM
sachin_naik04

11 
1,911 
Dear all,
i'm trying to understand geometry by studying the subject myself. i came across idea that i'm very much...

Jul3113 07:47 PM
mafendee

2 
3,662 
what in the world does this mean:
http://mathworld.wolfram.com/BilinearFormKernel.html
Is this algebra 2?

Apr2404 08:29 AM
honestrosewater

21 
1,919 
? ?

Aug2108 05:26 PM
coverband

2 
1,467 
Hello everyone
A question in complex numbers
If inflicted
P = q par
There is a point of equality:...

Oct507 02:27 PM
m_s_a

0 
913 
I need to draw a graph. According to the directions, I need to, "supress the origin of the abscissa so that the range...

Dec207 08:46 PM
Integral

1 
3,137 
Any suggestion on how to improve your reading fluency with proofs of theorems?
It's frustrating to spend over 1...

Feb2807 11:12 PM
Werg22

9 
1,526 
I will be doing my final, third year of undergrad next year and will be doing intro subjects to the main areas of pure...

Nov2506 05:01 AM
pivoxa15

5 
2,599 
i am a programmer really, and i am trying to make a program that allows the user to select 1 of a few methods to...

Apr209 12:57 PM
a.mlw.walker

0 
602 
Hi there
I'm having trouble solving this integral!!
Evaluate the improper integral
intdx where the upper...

Aug1303 05:57 AM
HallsofIvy

1 
2,035 
How do you get this:
\int_{\infty}^{\infty}e^{(ax^2+b/x^2)}dx = \sqrt{\frac{\pi}{a}}e^{2\sqrt{ab}}
I've been...

Jul3010 10:40 AM
techmologist

5 
1,099 
My Latin teacher is a retired nuclear physicist. He is a very smart guy. Sometimes, he shows us things called ABL...

Mar2004 12:23 PM
Chen

12 
1,917 
A question at the end of a chapter in a book I'm reading asked me to prove something which I'm thinking is a mistake...

Jun210 10:39 AM
uart

13 
2,484 
To the impossible ineqaulity of another thread let me add two new ones
1)1/x +1/y +1/z >= 2/x+y + 2/y+z +2/z+x for...

Jun1708 08:32 AM
LAVRANOS

6 
1,457 
Hi, I know its possible to get an answer by graphing the curves and finding the point of intersection but I was...

Jun2809 05:32 PM
Mentallic

20 
16,113 
after it was found out that the first 9 pi digits 141592653 result in the end sum of 9, i searched for its iteration...

Jul2514 10:19 PM
9I.

2 
376 
If you notice that there is symmetry in the numbers 0 to 10 this is a good place to start with what I want to talk...

Sep1412 12:00 PM
micromass

22 
1,934 
Hi PPls
okay i have studied calculus and i can easily see its application in many things like calculating...

Aug405 09:11 PM
leright

25 
9,259 
I know Binomial Theorem is a quick way of expanding a Binomial Expression that has been raised to some power i.e...

May914 08:41 PM
crownedbishop

7 
608 
Hi,
Haven't studied math for a while and thought I'd ask you for help. It regards implied correlation based on...

Jul312 01:23 PM
volplayer

0 
833 
Hi all,
In studying the eigenvalues of certain tridiagonal matrices I have encountered a problem of the following...

Nov2112 12:51 PM
ekkilop

7 
1,384 
Can anybody give me links to download software that can plot implicit functions like x^2 + xy =9 etc.
I have searched...

Mar806 03:34 AM
arunbg

2 
20,737 
Hi. I'm taking a Calculus course right now and I simply cannot understand Implicit Differentiation or the Related Rate...

Jul1303 05:44 PM
Dx

2 
1,342 
Could someone please explain to me how implicit differentiation is an application of the chain rule? It would be much...

Jul1008 07:03 AM
arildno

3 
1,135 
I have been able to follow how to take the derivative of implicit functions, such as:
x^2+y^21=0
...

Feb2509 12:42 AM
Mentallic

4 
1,093 
The truth table for implication looks like this
pq p > q

TT  T
TF  F
FT  T <I'm...

Jan1612 06:04 AM
Bacle2

11 
6,421 
I'm now implementing different kinds of Particle Filters using Matlab. One is the Regularized Particle Filter(RPF) and...

Apr911 01:01 PM
manchung214

0 
9,089 
In 2006, the mathematically rigorous proof of the Poincaré conjecture was completely excepted. The Poincaré conjecture...

Oct607 09:33 AM
mathwonk

2 
1,279 
Hello, I was not sure quite where to post this but settles on here. I am a 15 year old and I am having an issue. I...

Sep1413 04:13 AM
tridianprime

3 
595 
Ok, this is driving me crazy:
i^{2}=1
no problem here, but...

Jul1807 12:58 PM
CompuChip

9 
1,587 
Hello. I can't understand some things in these two files attached with this thread.
Firstly,in file "image 1",i don't...

Jun208 01:15 PM
electronic engineer

2 
1,297 
Hello;
You can have positive integer derivatives, such as this:
\frac{d^{2}}{dx^{2}}(x^{2}) = 2
You can have...

Jan211 07:53 AM
JJacquelin

22 
2,426 