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

Feb2313 09:23 AM
micromass

1 
33,153 
Good evening,
I'd like some advice on my approach to learning mathematics (e.g. is this reasonable).
Right now...

Jun2606 10:30 PM
mathwonk

3 
3,749 
Hey,
Not sure if this is in the right place, move if necessary.
So, I know about SUVATs, and nonconstant...

Jul609 01:23 AM
Mentallic

16 
3,749 
Hello there
I have to write an interdisciplinary project at school, in mathematics and physics, where I have to go...

Sep2508 02:23 PM
Tricore

4 
3,746 
Hi,
Please I need your assistance on this matlab code. I will really appreciate it.
R=0.492; Pw=0.3708;
for...

May212 12:54 AM
chiro

4 
3,746 
What are they and how are they used? Anyone know?

Jun2404 04:19 AM
Thomas Jewitt

11 
3,745 
Mixture problem example: You need parts of a 30% chlorine and 55% chlorine mixture to make 100 gallons of a 40%...

Sep1905 04:09 PM
Werg22

1 
3,744 
Is there a more convenient way to multiply and divide imaginary numbers than converting back and forth from phasors?...

May1810 10:32 AM
cstoos

6 
3,743 
In Stastitical Probabilities, the outcome is intepreted as a fundemental 'Law like' process.
Is this based on...

Oct3003 12:33 PM
ranyart

2 
3,742 
The spherical geometry thought that in the surface does not have the parallel line, actually this idea is wrong,...

Oct1210 09:44 AM
phya

50 
3,742 
Hi all,
I am learning the axiomatic construction of Naturals, from the Peano axiom. Hence proving every property of...

Jul708 03:37 AM
sutupidmath

5 
3,740 
IN the Arxiv. they have put a paper on HlbertPolya conjecture..so the operator:
H= \frac{d^{2}}{dx^{2}}+V(x) ...

Dec2906 05:56 PM
AlphaNumeric

6 
3,739 
Find the relative extrema of f(x)=3xx^2.
Normally you solve f'(x)=0 to find the critical points, in that case we...

Jan2410 06:18 AM
HallsofIvy

4 
3,738 
When you use Microsofts calculator's Exp function it does not raise the number you enter exponenently it requestions...

Nov306 06:38 AM
sstone

3 
3,737 
I saw a contour integral in a text I was recently reading, but unfortunately a contour integral is beyond my...

Jan3010 07:35 AM
elibj123

15 
3,737 
The one formula I need I cannot find.
I have an Oblate Ellipsoid which I can describe as a=b=2c. The values of a,...

Mar811 10:03 PM
SteamKing

13 
3,733 
There have been strange number systems used in the past in different parts of the world ... do you know any? :biggrin:

May2504 07:34 PM
Gokul43201

11 
3,732 
ok so im working through a problem,got part way through and realised i couldnt remeber what to do with power rules,if...

Jul410 09:58 AM
Rasalhague

3 
3,729 
http://en.wikipedia.org/wiki/Monty_Hall_problem
This is a game about probability:
Say there is three doors. Two...

Aug2111 11:25 PM
Dr. Seafood

32 
3,729 
Could someone please suggest a good book for beginning abstract algebra (which would allow me to begin learning number...

Aug1204 04:13 PM
mathwonk

5 
3,728 
I was wondering if there are any branches of maths that I can work through, that don't require a very deep math...

Jan2507 09:11 AM
J77

26 
3,728 
Hi,
can anyone explain to me what the purpose of finding the envelope function is? I understand graphically that...

Nov2011 02:16 AM
Simon Bridge

7 
3,727 
Does anyone have a copy of Wells' "Penguin Dictionary of Curious and Interesting Numbers" 1986 or 1987 edition? I'm...

Jul610 07:33 PM
DaveC426913

10 
3,726 
Hi there,
I'm researching buckyballs and I'm trying to find equations for determining the dihedral angles of a...

Dec2806 11:41 AM
TheCavorter

0 
3,726 
Sorry if this isn't the right forum, I didn't know so I just went to general.
Could someone explain how this i...

Oct1604 10:53 AM
JasonRox

60 
3,721 
So I was thinking about numbers like pi. If you were to measure the area or circumference of a sphere in real life,...

May211 01:10 PM
I like Serena

20 
3,721 
Hello
I'am a little confused. In my text book it is written that all odd function can be described by a sine...

Apr611 04:20 PM
AlephZero

2 
3,719 
I need to know how to integrate this function:
sin(sqrt(x))
I did this:
u = sqrt(x)
du/dx = 1/(2sqrt(x))
...

Jan2905 12:24 AM
robert Ihnot

7 
3,718 
Hi all,
This is a weird question,
I want to measure angles in terms of 360 degrees and not 180. The two lines...

Oct3107 09:10 PM
Jake

6 
3,718 
I have problems to calculate the integral
I(dxexp(ax**2)), where the limits run from infinite to infinite.
...

Jan909 01:28 AM
MadHawk

10 
3,717 
how do you prove that sqrt(2) + sqrt(5) is irrational...

Mar1805 08:59 PM
rsnd

11 
3,717 
1) if 11+35=128 , 925=76 , 5*50=250 , 40/8=???
2)if 5+6= 29 , 3+4=10 , 10/8=50 , 964 = ??
i wait your...

Oct2607 10:23 PM
doctorsaleem

5 
3,716 
Where can I find a free program that can numerically solve simple equations?
Thanks.

Apr308 03:13 PM
daniel_i_l

0 
3,716 
Say you have a sphere, and n points to place on it. You want each of the points to be equivalent to the others if you...

Feb607 05:46 PM
Werg22

5 
3,715 
I just stare at difficult proofs. I truly do not understand induction. Like if I was to prove Fermat's Little Theorem,...

May107 04:18 PM
tronter

6 
3,713 
I love doing proofs, but hate doing computational questions. If I become very good with proofs but remain just soso...

Feb111 06:11 PM
mathwonk

21 
3,713 
I mean it's okay to take 2x3≠0 as a necessary condition, but I can't actually grasp the fact that we have to take the...

Jan2012 04:46 PM
Deveno

3 
3,713 
as concept in http://home.comcast.net/~lcopes/SciMathMN/concepts/concepts.html kregular bipartite graph is a graph...

Apr2204 02:45 AM
abcit

0 
3,712 
Can someone give me the definition of a line?

Nov1510 08:37 PM
chiro

36 
3,709 
Question:
Is f(x)=\mid{x}\mid continuous?
I have been looking online and got a few different answers. My calc...

Sep1305 04:12 PM
Tom McCurdy

7 
3,707 
Hey,
I am working with the equation y=(x+10)/(x+1), and have calculating the iterations of the sequence...

Jun1511 10:50 AM
uart

14 
3,705 