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.99999 does not equal 1

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zeroply

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Re: .99999 does not equal 1
« Reply #540 on: August 28, 2008, 07:45:26 PM »
Quote from: cbarnett97 on August 28, 2008, 06:02:12 PM

f(x)=1/(1-x)

if i start at 0.9 and then I keep adding nines to the end of it at what point does the function become undefined?

Well, f(x) is going to be in the reals no matter how many 9s you add. But f(1) is not a real.

So are you arguing that f(0.999...) != f(1)? Whose side are you on anyways?
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Roundy the Truthinessist

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Re: .99999 does not equal 1
« Reply #541 on: August 28, 2008, 07:53:11 PM »
Quote from: zeroply on August 28, 2008, 07:45:26 PM
Quote from: cbarnett97 on August 28, 2008, 06:02:12 PM

f(x)=1/(1-x)

if i start at 0.9 and then I keep adding nines to the end of it at what point does the function become undefined?

Well, f(x) is going to be in the reals no matter how many 9s you add. But f(1) is not a real.

So are you arguing that f(0.999...) != f(1)? Whose side are you on anyways?


The wrong one, as usual.
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Quote from: wise on August 21, 2018, 11:47:45 PM
Where did you educate the biology, in toulet?
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Parsifal

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Re: .99999 does not equal 1
« Reply #542 on: August 28, 2008, 08:12:26 PM »
f(x) = 1 / (x0 - 1)

If I start at f(0.9) and keep adding nines to the end at what point does the function become undefined?
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Quote from: Ævan on August 11, 2013, 01:18:20 PM
I'm going to side with the white supremacists.
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cbarnett97

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Re: .99999 does not equal 1
« Reply #543 on: August 28, 2008, 08:42:00 PM »
Quote from: Robosteve on August 28, 2008, 08:12:26 PM
f(x) = 1 / (x0 - 1)

If I start at f(0.9) and keep adding nines to the end at what point does the function become undefined?

I am going to say 1 nine
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Only 2 things are infinite the universe and human stupidity, but I am not sure about the former.
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cbarnett97

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Re: .99999 does not equal 1
« Reply #544 on: August 28, 2008, 08:42:50 PM »
Quote from: zeroply on August 28, 2008, 07:45:26 PM
Quote from: cbarnett97 on August 28, 2008, 06:02:12 PM

f(x)=1/(1-x)

if i start at 0.9 and then I keep adding nines to the end of it at what point does the function become undefined?

Well, f(x) is going to be in the reals no matter how many 9s you add. But f(1) is not a real.

So are you arguing that f(0.999...) != f(1)? Whose side are you on anyways?

just looking for clarification
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Only 2 things are infinite the universe and human stupidity, but I am not sure about the former.
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Trekky0623

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Re: .99999 does not equal 1
« Reply #545 on: August 29, 2008, 12:12:22 AM »
When there's a whole lot of them!  ;D
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Raist

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Re: .99999 does not equal 1
« Reply #546 on: August 29, 2008, 07:48:30 AM »
Quote from: cbarnett97 on August 28, 2008, 08:42:50 PM
Quote from: zeroply on August 28, 2008, 07:45:26 PM
Quote from: cbarnett97 on August 28, 2008, 06:02:12 PM

f(x)=1/(1-x)

if i start at 0.9 and then I keep adding nines to the end of it at what point does the function become undefined?

Well, f(x) is going to be in the reals no matter how many 9s you add. But f(1) is not a real.

So are you arguing that f(0.999...) != f(1)? Whose side are you on anyways?

just looking for clarification
f(1) is approaching zero.
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zeroply

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Re: .99999 does not equal 1
« Reply #547 on: August 29, 2008, 08:13:31 AM »
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Raist

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Re: .99999 does not equal 1
« Reply #548 on: August 29, 2008, 09:16:44 AM »
As x nears one,

F(x) approaches zero.

F(1) is zero.
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zeroply

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Re: .99999 does not equal 1
« Reply #549 on: August 29, 2008, 12:14:52 PM »
Quote from: Raist on August 29, 2008, 09:16:44 AM
As x nears one,

F(x) approaches zero.

F(1) is zero.

f(x) = 1/(1-x)
then f(1) = 1/(1-1) = 1/0

So now in addition to 0.999... = 1 you're also claiming that 1/0 = 0??

This thread just keeps getting weirder and weirder...
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Raist

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Re: .99999 does not equal 1
« Reply #550 on: August 29, 2008, 02:48:25 PM »
Quote from: zeroply on August 29, 2008, 12:14:52 PM
Quote from: Raist on August 29, 2008, 09:16:44 AM
As x nears one,

F(x) approaches zero.

F(1) is zero.

f(x) = 1/(1-x)
then f(1) = 1/(1-1) = 1/0

So now in addition to 0.999... = 1 you're also claiming that 1/0 = 0??

This thread just keeps getting weirder and weirder...
I said that?

No I didn't. Google what limits are.

Take calculus.
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cbarnett97

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Re: .99999 does not equal 1
« Reply #551 on: August 29, 2008, 03:36:06 PM »
Quote from: Raist on August 29, 2008, 02:48:25 PM
Quote from: zeroply on August 29, 2008, 12:14:52 PM
Quote from: Raist on August 29, 2008, 09:16:44 AM
As x nears one,

F(x) approaches zero.

F(1) is zero.

f(x) = 1/(1-x)
then f(1) = 1/(1-1) = 1/0

So now in addition to 0.999... = 1 you're also claiming that 1/0 = 0??

This thread just keeps getting weirder and weirder...
I said that?

No I didn't. Google what limits are.

Take calculus.
I think he was referring to your answer to f(1)
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Mr. Ireland

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Re: .99999 does not equal 1
« Reply #552 on: August 29, 2008, 03:48:44 PM »
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Parsifal

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Re: .99999 does not equal 1
« Reply #553 on: August 29, 2008, 07:53:55 PM »
Quote from: Raist on August 29, 2008, 09:16:44 AM
As x nears one,

F(x) approaches zero.

F(1) is zero.

No, limx→1- f(x) = ∞.
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Quote from: Ævan on August 11, 2013, 01:18:20 PM
I'm going to side with the white supremacists.
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cbarnett97

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Re: .99999 does not equal 1
« Reply #554 on: August 29, 2008, 11:46:11 PM »
Quote from: Robosteve on August 29, 2008, 07:53:55 PM
Quote from: Raist on August 29, 2008, 09:16:44 AM
As x nears one,

F(x) approaches zero.

F(1) is zero.
but doesnt that equal 1

No, limx→1- f(x) = ∞.
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Only 2 things are infinite the universe and human stupidity, but I am not sure about the former.
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zeroply

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Re: .99999 does not equal 1
« Reply #555 on: September 01, 2008, 08:58:14 AM »
Quote from: Raist on August 29, 2008, 02:48:25 PM
Quote from: zeroply on August 29, 2008, 12:14:52 PM

So now in addition to 0.999... = 1 you're also claiming that 1/0 = 0??

This thread just keeps getting weirder and weirder...
I said that?

No I didn't. Google what limits are.

Take calculus.

Well, Robosteve is using all the shiny calculus a few posts up, and he doesn't seem to be getting f(1) = 0

Why can't you REers just admit when you're wrong? Instead of clinging onto hopelessly indefensible positions such as 1/0=0?
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Parsifal

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Re: .99999 does not equal 1
« Reply #556 on: September 01, 2008, 09:03:22 AM »
If 1/0 = 0, then 02 = 1. WTF?! ???
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Quote from: Ævan on August 11, 2013, 01:18:20 PM
I'm going to side with the white supremacists.
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Raist

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Re: .99999 does not equal 1
« Reply #557 on: September 01, 2008, 01:14:56 PM »
Quote from: Osama  bin Laden on September 01, 2008, 09:03:22 AM
If 1/0 = 0, then 02 = 1. WTF?! ???

1/0 equals undefined. we don't know what it equals.

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Parsifal

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Re: .99999 does not equal 1
« Reply #558 on: September 02, 2008, 12:59:26 AM »
Quote from: Raist on September 01, 2008, 01:14:56 PM
Quote from: Osama  bin Laden on September 01, 2008, 09:03:22 AM
If 1/0 = 0, then 02 = 1. WTF?! ???

1/0 equals undefined. we don't know what it equals.

Then how can f(1) equal zero?
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Quote from: Ævan on August 11, 2013, 01:18:20 PM
I'm going to side with the white supremacists.
?

zeroply

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Re: .99999 does not equal 1
« Reply #559 on: September 02, 2008, 09:48:38 AM »
Quote from: Osama  bin Laden on September 02, 2008, 12:59:26 AM
Quote from: Raist on September 01, 2008, 01:14:56 PM
Quote from: Osama  bin Laden on September 01, 2008, 09:03:22 AM
If 1/0 = 0, then 02 = 1. WTF?! ???

1/0 equals undefined. we don't know what it equals.

Then how can f(1) equal zero?

It's because as x gets close to 0+, f(x) gets larger and larger. So we can write it as ...999999.0 which is the same as 0 when you have an infinite number of nines.

This thread has become the highlight of my day. I wish it had been around when I was in grad school.
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Raist

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Re: .99999 does not equal 1
« Reply #560 on: September 02, 2008, 01:41:13 PM »
Quote from: Osama  bin Laden on August 29, 2008, 07:53:55 PM
Quote from: Raist on August 29, 2008, 09:16:44 AM
As x nears one,

F(x) approaches zero.

F(1) is zero.

No, limx→1- f(x) = ∞.
Ok, lol i checked this thread while not drunk finally. Lol. It is (infinity symbol). My bad. I didn't realize it was approaching infinity.
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ogeitla

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Re: .99999 does not equal 1
« Reply #561 on: September 03, 2008, 09:57:48 AM »
(1/3)+((1/3)/3)=10

So to me 9.9999.. does not equal 10

ps I <3 brackets
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Trekky0623

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Re: .99999 does not equal 1
« Reply #562 on: September 03, 2008, 10:03:57 AM »
(1/3) / 3 = (1/9)

(1/3) + (1/9) = (4/9)

You fail.
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ogeitla

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Re: .99999 does not equal 1
« Reply #563 on: September 03, 2008, 10:05:43 AM »
sadly not i tried it on a calculater and it worked, please explain to me that?
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Trekky0623

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Re: .99999 does not equal 1
« Reply #564 on: September 03, 2008, 10:08:53 AM »
Enter this into any calculator

(1/3) + ((1/3)/3)

You will get 0.444...

Google Calculator Result
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Parsifal

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Re: .99999 does not equal 1
« Reply #565 on: September 03, 2008, 10:33:02 AM »
Quote from: ogeitla on September 03, 2008, 09:57:48 AM
(1/3)+((1/3)/3)=10

This is some fucking epic win.

Also, ogeitla won't be responding to you for the next two days, Trekky.
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Quote from: Ævan on August 11, 2013, 01:18:20 PM
I'm going to side with the white supremacists.
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Raist

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Re: .99999 does not equal 1
« Reply #566 on: September 03, 2008, 10:37:02 AM »
What was the reason for the ban? Bad math.
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Parsifal

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Re: .99999 does not equal 1
« Reply #567 on: September 03, 2008, 10:38:37 AM »
Quote from: Raist on September 03, 2008, 10:37:02 AM
What was the reason for the ban? Bad math.

This.
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Quote from: Ævan on August 11, 2013, 01:18:20 PM
I'm going to side with the white supremacists.
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Raist

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Re: .99999 does not equal 1
« Reply #568 on: September 03, 2008, 10:42:22 AM »
At TFES we lay them on the table and measure. :D
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Oscar Wilde

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Re: .99999 does not equal 1
« Reply #569 on: September 03, 2008, 12:27:28 PM »
Quote from: Raist on September 03, 2008, 10:42:22 AM
At TFES we lay them on the table and measure. :D
It was declared, let there be sig! And it was good.
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