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

Feb2313 09:23 AM
micromass

1 
38,817 
What are the signs that one should show when one is not enjoying a particular area of maths? In other words how can...

May2009 11:27 PM
AUMathTutor

5 
1,069 
I've already posted a couple of index notation questions on here and I've gotten very helpful responses. So I thought...

Apr1709 01:37 PM
Will_taylor22

12 
1,484 
I have a general question about index notation.
For an arbitrary quantity, a,
"a" denotes a scalar quantity....

Aug2509 10:11 AM
CFDFEAGURU

3 
1,651 
Hello world,
Index notation is driving me crazy: why on Earth is ∂_i 1/r = x_i/r^3 ?
I would expect it to...

May1212 05:15 AM
ellocomateo

2 
812 
The colimit is defined in terms of a functor from an indexing category to another category(a diagram).
In the...

Nov1009 08:11 PM
Hurkyl

1 
676 
I am sure that x^{\infty} as x\to1 is an indeterminate form.
But can someone please explain how 1^{\infty} is...

May1012 06:57 AM
Infinitum

2 
785 
Hi,
I am attempting a logistic regression analysis with a binary response and explanatory variables measured at the...

Jan1010 03:17 AM
wvguy8258

0 
1,013 
What is an independent variable. Is that what you have to solve for?
Like for example in the problem; y^2 = x ...

Jul1904 06:52 AM
HallsofIvy

7 
5,680 
I'm in grade 11 and I have to do an independent study on Logarithms. I need a problem or puzzle that I will solve...

Oct504 04:10 PM
TheShapeOfTime

5 
1,329 
I have done well in undergraduate mathematics, and would like to do some self study in something more advanced and...

Oct611 08:32 PM
1mmorta1

3 
934 
I'm studying the Poisson Process (rate R) and I'm hung up on the issue of dependence. This seems like and easy...

Oct1010 05:56 PM
CRGreathouse

1 
1,629 
\!\(∫x^2/Sqrt \x\)
I need to find the integral of
(x^2)/ Sqrt(1(x^2))
if the above doesnt work properly...

Apr605 11:39 PM
Data

6 
1,078 
Well, this is an embarrassingly elementary question, but in my lecture slides (for an electrical engineering course,...

Apr1305 08:55 AM
dextercioby

4 
3,479 
I know this is a simple question but I can't exactly figure out the logic governing this problem, I just know it had...

May912 02:11 PM
Stephen Tashi

12 
1,141 
Hey all
Is there a clever, and elegant way to change a sinc^2 function so that its side lobes will be larger?

Jan914 12:36 AM
maajdl

1 
446 
Hi
I know about calculus, but what other mathematical methods can be used to increase profit?
Thanks

Sep1209 08:15 AM
ojsimon

2 
689 
Construct a plane containing N points, no three of which are collinear. Calculate the n distinct ways they can be...

Aug1703 01:46 AM
Loren Booda

0 
1,044 
Wikipedia does a pretty good job at explaining how different calculators treat percentage differently. For example...

Aug211 07:07 PM
dalcde

18 
2,304 
i liked the posts i read about how some people here learned calculus at a young age, so here i don't feel as isolated...

Jan907 05:57 PM
chroot

6 
1,481 
For example, when a proton and an antiproton collide, they cancel each other out. They become neutral. However when...

Apr2612 04:35 AM
JJacquelin

17 
2,139 
The proof of Gödel's Incompleteness Theorem is so simple, and so sneaky, that it is almost embarassing to relate. His...

Apr806 04:48 PM
gravenewworld

3 
1,658 
Can someone prove to me why computable numbers are not closed under the taking of suprema?

Jun809 04:26 PM
Dragonfall

14 
1,390 
Am I right about this 
Inclusive 
This basically means that suppose in the interval 
x – y
The range...

Sep2209 01:39 AM
dE_logics

6 
8,983 
If I am given data for four sets and am asked to find how many elements are in exactly two of these four sets, how...

Apr2204 03:04 PM
matt grime

3 
4,068 
what are the coordinates of incentre of a triangle if the three vertices are (a1,b1),(a2,b2),(a3,b3)?

May1311 10:34 AM
micromass

1 
2,032 
I know that the gamma function (from 0 to infinity):
\int et tx1 dt = \Gamma(x)
and that the relation exists......

Jan1111 01:08 PM
badtwistoffate

0 
607 
Hi Everyone,
I am looking for some help on this question
In Triangle EFG find the value of f, if e=7.3cm g=8.7cm...

Aug1411 09:30 PM
dalcde

1 
1,216 
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 
860 
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 
1,684 
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 
1,155 
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 
942 
Whyyyyyy??! Whhhhhy?!!!?

May1211 06:47 AM
gikiian

6 
6,084 
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 
924 
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 
1,168 
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 
1,230 
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 
1,924 
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 
3,911 
what in the world does this mean:
http://mathworld.wolfram.com/BilinearFormKernel.html
Is this algebra 2?

Apr2404 08:29 AM
honestrosewater

21 
1,943 
? ?

Aug2108 05:26 PM
coverband

2 
1,487 
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 
919 