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ILikeTofuuJoe

Member

From: Obvervable Universe

Joined: 2018-06-04

Posts: 1,770

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Almost dividing by 0

lim  x/n = lim
n->0      x/n -> inf ?

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Yonanoke

Formerly Glaauber

From: Kumamoto, Japan

Joined: 2015-07-07

Posts: 389

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Re: Almost dividing by 0

yeh idk man

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Tomahawk

Forum Mod

From: UK

Joined: 2015-02-18

Posts: 2,847

Re: Almost dividing by 0

Yeah, that’s how limits work.

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Norwee

Formerly NorwegianboyEE

From: Norway

Joined: 2015-03-16

Posts: 3,773

Re: Almost dividing by 0

Hummer’s dilemma is finding out whether this is almost a **** post.

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ZeldaXD

EE Homeboy

From: Cyprus

Joined: 2015-02-15

Posts: 1,539

Website

Re: Almost dividing by 0

Now that he is learning about limits, get ready for a hundred of topics trying to disprove them. I certainly do not know what will happen when he learns about integrals...

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Tomahawk

Forum Mod

From: UK

Joined: 2015-02-18

Posts: 2,847

Re: Almost dividing by 0

But what if you divide a pie by almost zero!?

You can’t do that because it doesn’t make sense with a physical object, even though much of maths is conceptual so the comparison is irrelevant, but in conclusion limits don’t exist and the maths is wrong.

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TaskManager

Formerly maxi123

From: i really should update this

Joined: 2015-03-01

Posts: 9,465

Re: Almost dividing by 0

Next episode on "Math with Tofuu": Derivatives are WRONG and I can PROVE it

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Zumza

Member

From: root

Joined: 2015-02-17

Posts: 4,656

Re: Almost dividing by 0

lim  x/n = 1 if x is 0 else it is inf
n->0

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MWstudios

Member

From: World 4-2

Joined: 2018-04-06

Posts: 1,331

Re: Almost dividing by 0

Next episode on "Math with Tofuu": Derivatives are WRONG and I can PROVE it

Next episode on "Math with Tofuu":
√2 - 2 = 0.1 aka My computer calculator is a potato

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HeyNK

Member

Joined: 2017-04-07

Posts: 1,318

Re: Almost dividing by 0

Guys check it out I made a program that generates tofouee joe threads:

?? ???? ?? ?????? ? ??? ???? ?? ????????? ?????? ???? ?????????? ?????????? ??????? ????? ?? ? -> ??? (?) ??? ????? ?? ? -> ??? (??) ?????? ??? ?? ?????

Ratburntro44

Member

Joined: 1970-01-01

Posts: 1,383

Website

Re: Almost dividing by 0

Yeah, that’s how limits work.

not quite since that's the right sided limit (if x>0)
the left sided limit will be the opposite (-infinity if x>0)
so the limit doesn't exist even in the extended reals

(well, there are situations in which it makes sense to consider infinity and -infinity the same, but it's not the usual situation for this)