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Mathematics 20 Online
OpenStudy (anonymous):

So what is 1/0?

OpenStudy (amistre64):

it is an abomination!!

OpenStudy (anonymous):

I KNOW!!!!!

myininaya (myininaya):

If we are doing 10/5, then it is 2 since 2*5=10. If you have 1/0, there is not one x that satisfies x*0=0. So we say it is undefined.

OpenStudy (anonymous):

You know what's even worse, 0/0?

OpenStudy (anonymous):

that's not true

OpenStudy (anonymous):

anything other than infinity times 0 will be 0

myininaya (myininaya):

There has to be only one x

OpenStudy (amistre64):

im surprised noones made an imaginary number for it yet and called it the discovery of the century...... why does "i" get to have all the fun :)

myininaya (myininaya):

what about 1*0=0 and 2*0=0

OpenStudy (anonymous):

You couldn't possibly make it an imaginary number. This is why. http://www.jimloy.com/algebra/two.htm

OpenStudy (anonymous):

Yes i know you were joking :p

OpenStudy (amistre64):

sure you can.... just say: this is what 1/0 is...q. there, we did it :)

OpenStudy (anonymous):

But not in the same way that i = root(-1)

myininaya (myininaya):

You guys are nerds

OpenStudy (amistre64):

lol .... technicalities. let the braniacs figure that part out :)

OpenStudy (anonymous):

Just because one number doesn't satisfy something doesn't mean it doesn't exist, look at higher order partial derivatives with multi variables, they have infinite number of values because it is a 3 dimensional object.

myininaya (myininaya):

can't we say a divison problem is linear and it only crosses the x axis once so it should only have one solution provided that the rational functions do not have polynomials of degree greater than 1

OpenStudy (anonymous):

Just because it crosses the x axis once doesn't make it linear. Look at the graph of ln(x).

myininaya (myininaya):

i know. I'm just trying to justified why 1/0 is undefined

OpenStudy (anonymous):

I'm guessing you're only talking about first order polynomials?

myininaya (myininaya):

1/0 is undefined is definitely for the genius

myininaya (myininaya):

I hate it when people in elementary always expect an explanation

myininaya (myininaya):

like each integer we do division on by another integer leaves us with a unique integer, except when zero is involved in the denominator

myininaya (myininaya):

or rational

myininaya (myininaya):

which is an integer/integer

OpenStudy (anonymous):

Well 0 is really cool because the limit of 1/0 approaches infinity, it's a cool concept I think. Just because it's undefined doesn't mean it's not useful to know.

OpenStudy (anonymous):

Okay here's the simplest explanation. You have a cake and 2 people want to eat it, so 1 cake / 2 people = 1/2 cake for each. But if you have 1 cake and 0 people, then how much cake does each person get?

myininaya (myininaya):

0

myininaya (myininaya):

are there imaginary people

myininaya (myininaya):

lol

OpenStudy (anonymous):

There are 0 people, so each person can't get 0

OpenStudy (anonymous):

How do you give out cake to 0 people, how do you determine that?

myininaya (myininaya):

we can give out 5 to each of the 0 people

OpenStudy (amistre64):

each 0 person gets as much cake as they want :)

OpenStudy (anonymous):

GENIUS

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