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Jun1-13 07:36 PM Fredrik 
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Mar10-14 04:45 PM mfb 

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General Math

- Math topics not applicable to the categories below. High-school Math
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Please post any and all homework or other textbook-style problems in one of the Homework & Coursework Questions...
Feb23-13 09:23 AM
1 33,200
can someone please explain the difference. Graphically and mathematically it is easy to see they are inverses. But I...
Jan23-10 01:11 AM
Char. Limit
6 6,160
Hello, I have been studying Logarithms in University. I understand it's how many of ONE number to get another number,...
Jan26-14 11:48 PM
Simon Bridge
1 434
The math behind the logarithms isn't hard especially if you can remember where things go and how the math is worked...
May16-13 11:13 AM
7 589
Solve for x. 2^{x+1} + 2^x = 9 lg(x-8) + lg(\frac{9}{2}) = 1+ lg(\frac{x}{4}) I can't get the answers :grumpy:
Oct28-04 09:06 AM
18 2,771
if log2 = x and log3 = y, solve for log(base5)36 in terms of x and y. how do i even get started on this? i'm really...
Dec11-04 01:22 PM
4 2,692
Hey all, so i finished logarithms a few weeks ago for mathematics/precalculus 12( also known as algebra II in the...
Nov14-12 06:25 PM
13 1,208
If P→Q, and P is false but Q is true, then why is P→Q true? To me, it seems as though we shouldn't be able to do...
Feb9-13 12:54 PM
3 529
I've always been a creative person since I was little. I really wasn't noticed for my potential for maths at all...
Aug9-11 10:44 PM
Dr. Seafood
1 793
I know that if you have x-2, that's the same thing as saying 1/x2. But I'm just wondering what is the mathematical...
Jan11-10 05:44 PM
9 1,914
Hey, so i think this is a fairly simple question but i'd like to get it firmly understood in my head. How do you...
Sep20-12 10:09 AM
4 919
Hi. So a classic logic puzzle goes like this: At noon the hour, minute, and second hands coincide. In about one...
Apr10-09 03:45 PM
Soca fo so
1 3,389
help - this is visual basic code that deals with motion can someone with some good math background pleas look it...
Feb2-06 03:41 AM
0 697
im just starting to write proofs and it's going well but some things aren't immediately obvious to me. for example...
Jan17-08 12:29 PM
4 1,044
My friend asked me this and I couldn't crack it, wasnt ever good at logic anyway: Statement A: Both fathers always...
May3-08 05:01 AM
Gib Z
4 6,519
plz tell me where is the error here- 1 = \sqrt{}1 = \sqrt{}(-1) (-1) =\sqrt{}-1 \sqrt{}-1 = i^{}2 = -1 so we get...
Mar27-08 03:21 AM
6 2,734
Both the logical implication and approaches use the same symbol. Have the two ever been famously confused? Is it...
Dec21-09 02:40 PM
1 717
I just found this forum and it looks great! I'm an undergrad Physics/applied math at Western Washington University in...
Apr16-08 12:37 PM
5 5,693
Is there a way to introduce logical tests into equations? For example, C has a very useful operator "?:" which returns...
Oct16-05 03:14 PM
3 1,425
I originally posted this on the Biology message boards. But I have not received any responses. In models of...
Jan29-14 12:45 PM
3 308
I'm having trouble coming to terms with the following: ln x^n = n ln x Which is all nice and well until I tried...
Dec23-08 04:14 AM
9 902
Can Someone please solve this for me Log2x^log2x=4 Where 2 is the base of log and exponent.
Apr6-03 06:00 PM
9 1,647
I'm having a hard time solving this: e^(x+3) = pi^x I got these results, but I'm not sure if it is correct:...
Dec26-06 09:45 PM
3 2,641
Is there a general method for solving these kind of questions ? How would you solve it ? With steps please. log...
Oct31-10 10:26 AM
16 1,685
I'm wondering how people used to solve log's. I can't figure out any sort of pattern when I look at certain logs (to...
Feb22-07 07:29 AM
12 2,531
(x^3 +1)/(x^2 +3) = ? _X______ X^2 + 3 / X^3 +1 - X^3 +3X ...
Jan20-07 07:14 AM
2 2,179
Does it work ? Exp: (s power of 4) over (4 times s power of 4 plus 1) ...
Dec3-10 11:38 AM
2 848
I understood the logic behind long division which many teachers don't make any student understand! For example if I...
Sep25-12 03:10 PM
2 782
Not sure when this problem in my book says to calculate by long division the series 1/(1+x) = 1 - x + x^2 - x^3 + ...,...
Apr4-12 05:03 AM
7 2,344
My longbow arrow problem has moved on from materials and I'm now trying to understand how to calculate projectile...
Aug17-11 10:04 AM
0 927
Im just wandering what is the longest equation in mathematics?
Jun22-03 10:49 AM
17 19,906
/ (2 ^ -1) / (1 ^ -1) = (1 / 2) / (1 / 1) = ( 1 ^ -1) / (2 ^ -1)
Jul26-05 06:01 PM
7 1,113
I find that when doing problems in pure maths, I need to look at the solution very often and is happy just to be able...
Aug6-07 12:32 AM
7 1,304
Hi, I just got to this forum after searching for an easy proof that Pi is irrational. The thread I found (google) was...
Nov26-03 10:02 AM
14 6,901
Is the an equation that can satify the following equation with out using any if statements? x(t) = \left\{...
Oct28-05 10:34 AM
Moo Of Doom
2 909
I'm looking for a book that will do a thorough exposition of everything we know about the distribution of primes. Can...
May7-06 10:28 AM
4 910
I'm reading a for dummies book right now and there is a short paragraph about the invention of numbers. I find it...
Sep11-08 04:39 AM
2 1,072
I have been wanting a book that would contain all mathematical theorems and proofs, such as G.S. Carr's A Synopsis of...
Nov4-11 02:55 PM
1 1,503
Hello. I'm looking for a certain type of Math software that I'm not sure exists. Something like Microsoft Word - but...
May8-13 02:14 PM
2 484
I'm working with a cartestian system that has certain periodic properties I'd like to exploit with a new coordinate...
Mar10-10 06:47 PM
0 706
Hey all, I am trying to find a function which will give me a family of curves similar to the one shown below. What...
Apr2-14 08:56 PM
4 293

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