/sci/ - Science & Math » Thread #12306735

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Prove me wrong

Anonymous Thu 05 Nov 05:25:14 2020 No.12306735 View Reply Original Report

Quoted By: >>12306739 >>12307340 >>12307437 >>12307467

>inf + 42=inf
>42=inf - inf

Anonymous

Anonymous Thu 05 Nov 2020 05:26:38 No.12306739 Report

Quoted By: >>12307312 >>12307441 >>12307585

>>12306735
>inf - inf
undefined

protip:
1/inf = 0
1 + inf = inf
1 - inf = -inf
inf + inf = inf
inf/inf undefined
inf - inf undefined
1^inf undefined

Anonymous

Anonymous Thu 05 Nov 2020 11:29:36 No.12307312 Report

Quoted By: >>12307319 >>12307324

>>12306739
shouldn't 1/inf=inf? How could the answer be 0?

Anonymous

Anonymous Thu 05 Nov 2020 11:34:40 No.12307319 Report

Quoted By:

>>12307312
Simple experiment, try divining 1 by a large number, and then do it again but with an even larger number, and repeat.

You will see it converges towards 0.

Anonymous

Anonymous Thu 05 Nov 2020 11:35:45 No.12307324 Report

Quoted By:

>>12307312

no, a number divided infinity is zero, it's pretty intuitive

1/1=1
1/2=0,5
1/2<1/1 so 1/n<1/2<1 and for an arbitrarily large n the whole thing goes to zero.

Anonymous

Anonymous Thu 05 Nov 2020 11:47:38 No.12307340 Report

Quoted By: >>12307344

>>12306735
0/0 = infinity

Anonymous

Anonymous Thu 05 Nov 2020 11:49:29 No.12307344 Report

Quoted By:

>>12307340
0/0 = 3

Anonymous

Anonymous Thu 05 Nov 2020 12:55:32 No.12307437 Report

Quoted By:

>>12306735
Bro you didn't tell them your using the letters and not the numerical number of inf.
Good job triggering these tards.

Anonymous

Anonymous Thu 05 Nov 2020 12:58:14 No.12307441 Report

Quoted By: >>12307591

>>12306739
Why does the algebra work out then so that i can make inf - inf equal to any number? Is algebra then flawed?

And why does it not equal zero?

Anonymous

Anonymous Thu 05 Nov 2020 13:10:42 No.12307467 Report

Quoted By:

>>12306735
$\infty-\infty = \frac{1}{0} -\frac{1}{0}$
$\frac{1-1}{0}=\frac{0}{0}$
$\frac{0}{0} = x$
Solve for x

Anonymous

Anonymous Thu 05 Nov 2020 14:20:35 No.12307585 Report

Quoted By:

>>12306739
ah yes, I also took calc 1

Anonymous

Anonymous Thu 05 Nov 2020 14:23:03 No.12307591 Report

Quoted By: >>12307597

>>12307441
inf - inf actually is equal to any number including possibly 0. But infinity is not a number so you actually aren't allowed to do algebra with it

Anonymous

Anonymous Thu 05 Nov 2020 14:25:28 No.12307597 Report

Quoted By:

>>12307591
>inf - inf actually is equal to any number including possibly 0
no, inf - inf is undefined. it's not equal to anything.
>But infinity is not a number so you actually aren't allowed to do algebra with it
you're allowed to do some algebra, just not everything. inf + 1 = inf is perfectly fine

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