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mathforfun · MATH for FUN - A place to post and work math problems.

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Group Information

  • Members: 3004
  • Category: Mathematics
  • Founded: Dec 18, 1998
  • Language: English
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Note: forwarded message attached. ... DELETE button is history. Unlimited mail storage is just a click away. [Non-text portions of this message have been...
1 Jan 3, 2008
11:47 am

Sarthak Chandra
sarthak_love...
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The following should be a simple challenge to one with a good math I.Q. ... rules below. ... done. ... understand the rules ... without their ... without their...
8 Dec 29, 2007
2:28 pm

aothabit
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mathforfun turned 9 on Dec. 18th, and recently surpassed 2400 members. Happy birthday, group, and welcome, newcomers!...
1 Dec 26, 2007
7:23 pm

adh_math
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what are the Stiefel-Whitney classes of the tangent bundle of S^2 x S^2 (ie the cross product of 2 spheres)? Or more generally, if you're given 2 vector...
4 Dec 28, 2007
10:13 am

Joseph
aldimalkoun
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can u do simple thing for me, send me a simple methematics techniqes, like what prefrence of calculation given i.e use +,-,%, other, in bracket or without...
1 Dec 14, 2007
3:13 pm

amit shah
amitjadu
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Each cell value of the x-y table below is (x^2 -2xy + y^2 -x -y)/2. The columns, rows and sloping diagonals have the recursive formula a (n) = 2 *a(n-1) –...
6 Jan 1, 2008
9:38 pm

ramsey2879
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Hi, Can you figure out why this works? http://www.quizyourprofile.com/guessyournumber.swf Enjoy Cino [Non-text portions of this message have been removed]...
6 Dec 11, 2007
8:00 pm

cino hilliard
hillcino368
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i had recently , infact yesterday been to an science& math exhibhition. there was an exhibhit abt some petits points( think the spelling is wrong). In any...
5 Dec 16, 2007
11:42 pm

adh_math
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Hi, Here is a real problem I working on. I have determined that the sum of the squares of primes in a range from m to n is related to the number of primes in...
4 Dec 6, 2007
10:34 am

cino hilliard
hillcino368
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I need help in locating a real analysis tutor. I am at a loss to find one because over 99.9999% tutors only tutor high school level or calculus at most. I live...
2 Dec 11, 2007
12:31 am

adh_math
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I’m David, a Math teacher, tutoring online. I need an online presentation sharing and collecting site on which my students can easily reach my sources and...
2 Nov 30, 2007
12:07 pm

Cino Hilliard
hillcino368
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Friends! Create resume and get URL of your resume for accessing it from any where in the world. 100s of multinational companies who might pick your resume...
1 Nov 30, 2007
9:07 am

Daal
astro_girl_690
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This morning right after midnight, it dawned on me that I might have a solution for the k-fold shift function transform I've been working on for a while. I'm...
2 Nov 29, 2007
12:49 am

bqllpd
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Dear all, Here i mention the problem which is there in my textbook, please and kindly provide the solution for that. Problem:- A palindrome is a word that...
3 Nov 28, 2007
5:00 am

Leo Yardley
leo_yard
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Suppose a sequence of complex numbers a_n is transformed to another sequence b_n by using a shifting function f(E)a_n where f(E) denotes some function in terms...
2 Nov 25, 2007
8:21 pm

adh_math
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Try this...its really cool, only takes a minute 1. Key in the first 3 digits of your phone number into a calculator (not the area code) 2. Multiply by 80 3....
3 Nov 24, 2007
3:24 pm

slim_the_dude
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pls i need help with the derivation of the predator- prey equation i need someone to help me derive the equation and the modified predator- prey equation that...
1 Nov 19, 2007
2:44 pm

sade
olufolashademi
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I'll try posting this again. For some reason, no one wants to touch this. I'm struggling with this on my own for a few months and I really need input on...
2 Nov 16, 2007
11:08 pm

ramsey2879
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Apologies if this quest. is too elementary for this group. There are actually several parts to this question ... 1) If given info on a side-side-side triangle...
1 Nov 14, 2007
12:16 pm

Peter Otzen
bogaduck
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Hi, I have the problem and the solution which is given in my text book. I can't able understand how the solution was solved. If you have any idea about that...
1 Nov 13, 2007
2:12 pm

Ashok Hari
grpashok
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Question: Why rationalize radicals in the denominator? What's the rationale for resolving them (pardon the pun)? Is it because we've always done so? There must...
6 Nov 12, 2007
4:29 pm

adh_math
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Dear all, I am studying Open University. So I didn't have a proper teacher who can teach me, particularly math, because of that I studying my self. While I go...
2 Nov 7, 2007
7:33 pm

adh_math
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Is this man made? http://www.youtube.com/watch?v=6ace4i1osfU...
2 Nov 3, 2007
2:22 pm

ynineteen
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Dear all, I am studying open university. So I didn't have a proper teacher who can teach me, perticularly math, because of that i studing my self. While i go...
3 Nov 3, 2007
5:00 am

Ashok Hari
grpashok
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What is the area of a pentagon in terms of its sides? ... Why delete messages? Unlimited storage is just a click away. [Non-text portions of this message have...
4 Nov 2, 2007
7:28 pm

adh_math
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Lojban has a word for 'transpose&#39; ("re'a" in selma'o VUhU). The transpose of a matrix (or array or determinant) just has the rows and columns switched, right?...
2 Nov 1, 2007
7:25 pm

video_ranger
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Hi, We have a cleaning lady who contracts monthly work in the neighborhood for $2000 per year per participating dwelling. Because of rising costs in...
13 Oct 29, 2007
7:30 pm

cino hilliard
hillcino368
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Dear all, How we want to convert unit litre (US - liter) to kilogram? Regards Muthalib [Non-text portions of this message have been removed]...
7 Oct 29, 2007
2:10 pm

witono_gunawan
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In a message dated 10/25/2007 8:22:19 AM Central Daylight Time, ... The intersection of Islam and peace is the empty set. stevo </HTML> [Non-text portions of...
7 Oct 27, 2007
9:33 pm

ramsey2879
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Dear All, I have lot of doubts in "Discrete mathematics - Generating function". Here i mention some of the Links where you can download the file, in this file...
1 Oct 25, 2007
10:16 am

Ashok Hari
grpashok
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