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For those that saw Math Time and wanted something more than multiplying decimals

MiamiStyle245

New member
Nothing too complicated...lets start with some basic algebra:

A=B given
A+A=B+A add A to both sides
2A=B+A combine like terms
2A-2B=B+A-2B subtract 2B from both sides
2A-2B=A-B combine like terms
2A-2B/(A-B)=A-B/(A-B) divide both sides by A-B
2=1 what the fuck!?!?!

How could this be...the alegebra is correct, right? Work it out on paper. If no one figures it out, I will tell you, but I have faith in you guys.
 
Breaking a basic law there.

Assume A = 0

A - B = 0

Dividing by A - B = dividing by 0

Dividing by 0 = nono.

-Warik
 
MiamiStyle245 said:
Nothing too complicated...lets start with some basic algebra:

1)A=B given
2)A+A=B+A add A to both sides
3)2A=B+A combine like terms
4)2A-2B=B+A-2B subtract 2B from both sides
5)2A-2B=A-B combine like terms
6)2A-2B/(A-B)=A-B/(A-B) divide both sides by A-B
7)2=1 what the fuck!?!?!

How could this be...the alegebra is correct, right? Work it out on paper. If no one figures it out, I will tell you, but I have faith in you guys.

I went ahead and numbered the steps.

In step 5 you are basically saying that 0=0 so in step 6 you are saying 0/0 = 0/0. Anything divided by 0 is undefined.

Therefore your answer is invalid.

Did I get it right?

JC
 
Both of you guys are on point...you cannot divide by zero in mathematics.

Warik, wherabouts in Miami are you from? I grew up over there...went to high school in the grove, lived in the beach. Now in Tampa at USF.

Have you guys ever heard of Zeno? He was a student of Parmenides in the pre-Socratic times.

example of Zeno: If there is a person who wants to shoot a deer, and he is at point A and the deer is at point B, in order to reach the deer, the arrow must cross point C, the midpoint between A and B. It must also cross point D, the midpoint between point between A and C. It must also cross point E, the midpoint between A and D. And so on. I am sure you guys know that a line can be broken into an infinite amount of points. How does the arrow ever reach the deer if it has to cross an infinite amount of points to get there? Wouldn't it take forever to cross over an infinite amount of points?

This fallacy never really got answered until Calculus was invented and I have not even taken Calc II yet so I cannot really explain the shit in full. Basically there is a formula to calculate the area underneath an asymptote, an infentesimal curve.

Zeno, the pupil of Parmenides spent his life pointing out these fallacies and trying to prove Parmenides' theory that motion is really does not exist. Interesting shit if you get into it.
 
MiamiStyle245 said:


example of Zeno: If there is a person who wants to shoot a deer, and he is at point A and the deer is at point B, in order to reach the deer, the arrow must cross point C, the midpoint between A and B. It must also cross point D, the midpoint between point between A and C. It must also cross point E, the midpoint between A and D. And so on. I am sure you guys know that a line can be broken into an infinite amount of points. How does the arrow ever reach the deer if it has to cross an infinite amount of points to get there? Wouldn't it take forever to cross over an infinite amount of points?

This fallacy never really got answered until Calculus was invented and I have not even taken Calc II yet so I cannot really explain the shit in full. Basically there is a formula to calculate the area underneath an asymptote, an infentesimal curve.

Doesn't logic fit it someplace on a question like this. If you have continually shrinking distances, you will at some point have a distance that is less that the size of the object that you are moving towards the final destination (in the case the arrow, or even just the point). At this point it has effectively reached it's target.
 
Miami,

Kendall here. I remember reading about Zeno and Parmenides in Intro to Philosophy. Both bullshit IMO... just two guys with no practical skills trying to dazzle everyone into thinking that they're so smart. =)

-Warik
 
ZenMachine...logic does play into the argument. The problem is that no matter how short the distance between point A to B to C to D and so on, if it is an infinite number of points that have to be crossed, you will never cross them. This is of course not exactly true, but if I tell you that you need to cross infinity inches to reach the target, you will never get there. If you need to cross infinity millimeters you also will never get there. The fallacy was never truly solved until the berth of calculus, but there are arguments against it that do make sense. The core of the problem here is that no matter how far away an infinite number of points are from one another, the fact remains that there is still on infinite number of points and how could you ever pass over an infinite number of points. There are a couple of noncalculus based ways around this problem. Calculus states that you can sum up an infinite series of numbers...like I was saying: measure the area under an asymptote. Take physics: d=vt...d/v=t...zeno kind of divides one half of the equation by infinity, but doesn't really divide time by infinity. Quantum physics talks about whether or not time can be divided ad infinitum and I haven't taken it yet, but I think the answer is still not really known. And yes, what you said makes logical sense in a way...at a certain time, the area between the points will be so small that the area will be infinitely small, but the only true answer is derived from calculus.

Warik...I feel you on that, but keep in mind that these dudes lived a really long time ago. People didn't really know shit about math or science and at the time, what they were saying was kind of important. No one really had practical skills when these guys were around and they were questioning shit. I feel you though, they are a little full of shit in today's world.

I used to lift at Bally's on 107th and Kendall Dr. There were so many fine hoes in there. Do you go to FIU...I know a lot of heads from the Kendall area, but more Northeast Kendall. My roommate out here in Tampa graduated from Sunset, he's from SW Kendall, but a lot of my boys live more in the Dadeland area. I also used to lift at the Zone Gym in the gables or out on Coral Way, or at Ironworks in the beach. Ironworks was full of gays though, but there were some pretty serious lifters in there, moreso than Ballys, but I knew the Manager and got to lift for free. Same at the Zone..friends with the owner's son.

Alright fellas..I'll get at you if I think of some more probs
 
Pretty good MiamiStyle. In the infinite point-type of example is related to how you can essentially divide by zero in certain situations by taking the limit as x --> (approaches) 0 or infinity or some other number.

here's another one;

x = 0.999999....
10x = 9.999999....

10x - x = 9
9x = 9
x = 1
 
AustinTx...funny that you show that example because a friend of mine and I were just going over that the other day. I want to take calculus two already, but I don't need it for my major:accounting. I don't really give a fuck though, I'm taking it anyway. I am taking calculus based physics next semester...should be interesting.
 
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