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Posts: 1716

.999... is not a number. It is a limit as the variable approaches
infinity [lim(n->infinity)(1-1/n)]. Infinity does not exist.
Therefore, .999... does not exist. It exists in theory because we treat
infinity as a number. That's fine, because it works. However, when we
treat infinity as a number in theoretical applications such as limits,
derivation, and integration, we have to remember that we are treating
infinity as a number, and can therefore manipulate it as a number with
operations such as subtraction and addition. That means we can take a
hypothetical number n=1-[1/(infinity-1)], which is equal to .999.... If
.999...=1, then 1-[1/(infinity-1)]=1, which means 1/(infinity-1)=0,
which means 1=0(infinity-1). This is clearly incorrect, since 0x, with x
being a number, is always equal to 0, and infinity is being treated as a
number in this situation. Of course infinity is not a number and cannot
be manipulated like this in real life, but infinity doesn't exist, so
using infinity in limits also doesn't work in real life. It only works
in theory when infinity is treated as a number. Claiming that .999...=1
is allowing infinity to be manipulated as a number in some ways that do
not work in real life but not in others, all within the same theoretical
situation. The difference between .999... and 1 is negligable to the
extent that they can be treated as the same number in practical
applications, but they are, by definition, not equal.

Posts: 455

Posts: 210

.9999...= 1 because 1/3=.3333... and 2/3=.6666... therefore 3/3=.9999... and 3/3=1

Two steps to attracting a girl:

1. Compliment her

2. Be "too cool" for her the next time you meet

-Steve Stepp

Check out Royal Outerwear!

>http://royalouterwear.com/

1. Compliment her

2. Be "too cool" for her the next time you meet

-Steve Stepp

Check out Royal Outerwear!

>http://royalouterwear.com/

Posts: 1716

No, I took calculus 5 years ago.

Posts: 3525

math

Give me a follow! http://going-downhill.tumblr.com/

Posts: 4108

I don't math so I don't know but surely

1/3 does not really equal .33333 repeating because .99999 does not really equal 1, that is just the only way we have of demonstrating 1/3 as a decimal.

3/3 is obviously 1, not .99999.

1/3 does not really equal .33333 repeating because .99999 does not really equal 1, that is just the only way we have of demonstrating 1/3 as a decimal.

3/3 is obviously 1, not .99999.

Posts: 1716

Those are all approximations. 1/3=.333...+(1/3)*(10^-infinity)

Posts: 6626

i'm in physics so I get to use infinity with reckless abandon.

Posts: 6626

Posts: 6626

Posts: 3517

OP is ZURG

http://www.youtube.com/watch?v=uyh3C1xDT3Y

"I thought he was bishops kid, hes been in here kinda messing around... but then I found out spagett is a full grown man. Kinda surprising" -Willgum

"I thought he was bishops kid, hes been in here kinda messing around... but then I found out spagett is a full grown man. Kinda surprising" -Willgum

Posts: 2628

this isn't correct

You're trying to look at infinity as a number, which it really isn't

You're trying to look at infinity as a number, which it really isn't

Can't a man Take a shit around here without being accused of masturbating -ZacStewart

id finally have an excuse for masturbating to taylor lautner -Flying-Squirrel

id finally have an excuse for masturbating to taylor lautner -Flying-Squirrel

Posts: 28844

I wish I had a massive spitball and a giant straw right now...

Skiierman is a cash-rabid cyborg forged in the fires of Mt. Doom and hell-bent on destroying the human race

-who cares

pros follow skiierman around

-D.Brown

Skierman is the truth

-Camo_Chameleon

if skierman dosent know him then he cant be that famous

-sgt.messysquirrels

Skiierman's dirty little secret is that he is the iota of truth.

-P-face

-who cares

pros follow skiierman around

-D.Brown

Skierman is the truth

-Camo_Chameleon

if skierman dosent know him then he cant be that famous

-sgt.messysquirrels

Skiierman's dirty little secret is that he is the iota of truth.

-P-face

Posts: 61

actually, they're only equal by definition... because we define them as equal

Posts: 4044

op what does 999/1000 equal?

HI

Posts: 1044

HA WATTA NERD

Posts: 631

No. Infinity in terms of the real number you described is not the same as the ordinal infinity defined by the term 1/n, which is in fact a countable infinity - an ordinal number denoted ω of cardinality . The space between any 2 real numbers is an uncountable infinity, the first uncountable ordinal **ω1 **with cardinality** **.

And this is not treating infinity as a number. This is treating infinity as a two point compactification of the real line with maximal suprema and infima infinity and negative infinity.

Record holder for most times banned for a single alias.

Posts: 1452

All I know is that 0.999.... Infinetly approaches 1 and OP is Zurg

LTF

☭☭☭

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☭☭☭

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Posts: 954

Posts: 1179

of course it exists, because it is really just saying that whatever it is is as close as it can be to being it without actually being it.

that means that you go and go and go without actually getting to the desired goal/place/destination. in theory, that is infinity because it never ends.

so .999=infinity. it's completely theoretical, but it serves its important purpose to that end.

It's kind of like asking whether or not Vegans eat honey--it'll go and go and go through debate and argument, but, in the end, they'll be too indecisive to come to a final conclusion of yes or no. so it's always almost there, but will never get to finality.

that means that you go and go and go without actually getting to the desired goal/place/destination. in theory, that is infinity because it never ends.

so .999=infinity. it's completely theoretical, but it serves its important purpose to that end.

It's kind of like asking whether or not Vegans eat honey--it'll go and go and go through debate and argument, but, in the end, they'll be too indecisive to come to a final conclusion of yes or no. so it's always almost there, but will never get to finality.

Posts: 587

This is why I'm in engineering. Theoretical math is frustrating. My understanding was that a fraction can equal a geometric series which can equal a repeating decimal (repeating term of any sort) which does make the repeating decimal an exact value. I really just do mass, flow and energy balances though so there's a 60-90% chance I'm talking out my ass.

Posts: 1944

meth

By the time the market opens in Tokyo, I'll be worthless

It's all nice on ice, all right

Sam

It's all nice on ice, all right

Sam

Posts: 1966

is there actually a mathematics thread on NS? Oh wait, winter isn't here yet...better come fast, a maths thread today, whats in 1 month?

This guy is so smart, I bet he's peed in like a million anus'. *Kazabazua*

Putissima, could refer to "the baddest motherfucker" and literally translates to "the ultimate bitch".*The Free Online Dictionary*

BiTcH A$$ FooL

Putissima, could refer to "the baddest motherfucker" and literally translates to "the ultimate bitch".

BiTcH A$$ FooL

Posts: 631

the infinite sum of 1/n is the harmonic series - a divergent series represented by a non-repeating infinite decimal, but then, we're not looking at a power series here. We're looking an infinite sequence.

Record holder for most times banned for a single alias.

Posts: 439

all i know is op like dick in his ass

Theres a gay guy and a hot girl laying in a bed, who are you gunna put your back towards? - Dfriezy

Mantioba skiers are here to party.

Hesh Bananas

Mantioba skiers are here to party.

Hesh Bananas

Posts: 3533

Of all the threads i've seen in my day, this is definitely one of them.

If you're scared, go to church.

I don't call it "skiing" anymore. I call it "training for the Olympics".

PENN JILLETTE 2016

I don't call it "skiing" anymore. I call it "training for the Olympics".

PENN JILLETTE 2016

Posts: 11672

truer words have never been spoken.

↑↑↓↓← → ← → BA

Posts: 1452

nice.

LTF

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Posts: 587

This is why I was happy with a C +.

Posts: 5243

NERD

If you are mutual friends with tom wallisch, steve stepp, ec headwear, saga outerwear, stept productions, ian cosco or any other popular person you added on FB because you're a 15 year old douche, stop adding me.

If i ignore you don't add me again.

If you really want me to add you, send me a message and 99% chance ill still ignore you.

Thank you

/ranttofuckhead15yearolds

PS i dare you all to add me in a plot to annoy me more i will then know that you all love me to a great extent sincerely eheath

-eheath

If i ignore you don't add me again.

If you really want me to add you, send me a message and 99% chance ill still ignore you.

Thank you

/ranttofuckhead15yearolds

PS i dare you all to add me in a plot to annoy me more i will then know that you all love me to a great extent sincerely eheath

-eheath

Posts: 1037

actually .999999... does in fact equal 1

if 0.999....=n then 9.999...=10n

therefore

10n-n=9.999...-0.999...

9n=9

n=1

0.999...=1

The Three Laws of Thermodynamics

1. You can't win.

2. You can't break even unless it's really cold.

3. It never gets that cold.

1. You can't win.

2. You can't break even unless it's really cold.

3. It never gets that cold.

Posts: 23866

thank god i only have to deal with physical chemistry and not math anymore

LOL who am i kidding

LOL who am i kidding

just think of the wads darth vader could conjure if he force choked his chicken

- Anathema

i would fuck the shit out of oprah.

- pomme-de-terre

- Anathema

i would fuck the shit out of oprah.

- pomme-de-terre

Posts: 1716

Only yours bb ;)

Posts: 1716

n=.999...

10n=9.999... - 9*(10^-infinity)

9n=9.999... - 9*(10^-infinity) - .999...

9n=9 - 9*(10^-infinity)

9n=9(1-10^-infinity)

n=1-10^-infinity

n=1-.000...1

n=.999...

ftfy

10n=9.999... - 9*(10^-infinity)

9n=9.999... - 9*(10^-infinity) - .999...

9n=9 - 9*(10^-infinity)

9n=9(1-10^-infinity)

n=1-10^-infinity

n=1-.000...1

n=.999...

ftfy

Posts: 631

stop trying.

Record holder for most times banned for a single alias.

Posts: 1716

Except I'm right.

Posts: 631

no you're not and you're too dumb to understand why. I don't need to repeat myself 3 times.

Record holder for most times banned for a single alias.

Posts: 3213

yep

Member Number: 8,732

*********NWFT*********

Posts: 1037

Posts: 258

Posts: 453

lol... wooooshh

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