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Archived threads in /sci/ - Science & Math - 11. page

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Why does science work?
3 posts and 1 images submitted.
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Know one really knows, only philosotards get butthurt by this.
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because we can empirically verify its results

Greetings /sci/,
I am not sure if such a simple question warrants its own thread, but I can't find the usual dumb questions thread.

I am asked to prove that the vector space V is a subspace of R^2. V={k(1,2)|k is in R}.

I started off by proving that it is not empty by letting k be 0 and showing that u=(0,0) is in V.

Then I wanted to prove that the set is closed under addition and I got lost. I tried the following:

let u=(k,2k) and v=(nk,2nk) u+v=k(1+n,2(1+n)) and stopped. I feel like the solution is so easy but I can't express it properly.

Thank you in advance.
4 posts and 1 images submitted.
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Seriously nigger? If k1(1,2) + k2(1,2)=(k1+k2)(1,2) and k1+k2 is obviously in R.
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ok im retarded. thank you
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>>9165642
These fucking aliens come in here, learn our language, steal my fucking job.

Pack of cunts.

what's the deadliest space to be in?
5 posts and 1 images submitted.
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>>9165538
Euclidean cause your're are mums vagina is it lmoa
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>>9165538
undergrad here.
I stumbled on Fr├ęchet and i think its pretty scary
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they drew the arrows in the wrong direction imho

Any good books about divisibility in z, euclidean division in z and congruences?

I'm clueless about them, good intro level books with good explanations and exercises if possible.
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first chapter of pic related
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>>9165484
Does it cover everything I mentioned really in depth?
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>>9165484
thanks man~

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Hi. I'd like to hear your thoughts on Ryan Faulk (The Alternative Hypotesis). Does he understand what he is talking about or is he just a crackpot? He seems to knowledgeable when it comes to statistics and genetics and i find him far more convincing than any other person on the alt right. Website: http://thealternativehypothesis.org/index.php/race-and-iq/
5 posts and 2 images submitted.
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Youtube: https://m.youtube.com/user/fringeelements
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https://m.youtube.com/watch?v=ijEkUcUq_Oc
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It's always good to look at the arguments any particular youtube faggot gets into and pay close attention to both sides.
https://youtu.be/9HQ90iSGpJM here's a decent example (of someone who does agree with genetic population differences) but alternative hypothesis gets in a lot of arguments it seems so i'm sure you can find more.

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Is psychology shit because it's filled with women or do women fill up psychology because it's Shit?
As scientists what experiment can we conduct to find out the cause and effect relationship?
4 posts and 1 images submitted.
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install gentoo
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>>9165140
Maybe they just tend to be drawn towards the emotional side of science? I dunno, I'm a woman and I studied straight physics
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>>9166707
Tits or gtfo

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Hey /sci/
Braintlet here.
I was studying for my collage admission exam and i got stuck on this problem.
Any help?
[math]f(x)+x^{2}f(x-1)=1\quad\forall\quad x \in\mathbb{R}[/math] find [math]f(2)[/math]
4 posts and 1 images submitted.
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For x =2 f(2) +22f(1) = 1

We need f(1), for x = 1:
f(1) + 1f(0) = 1

We need f(0), for x=0
f(0) + 0f(-1) = f(0) = 1

No just use f(0) =1 to find f(1) and than f(2)
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>>9165138
>>9165130

22 is actually 2^2 = 4
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>>9165130
https://www.wolframalpha.com/input/?i=f(x)%2Bx%5E2f(x-1)%3D1

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Hi, anon

Construct a field that is a subfield of R, has uncountable cardinality, and has measure 0?

You should be able to solve this.
3 posts and 1 images submitted.
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babby's ferst exposure to Cantor
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>>9165085
>Do my homework for me"

the thread.

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How come diarrhea feels like I cut open a ghost pepper and rimmed my asshole with it?
Pic unrelated
3 posts and 1 images submitted.
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Because you cut open a ghost pepper and rimmed your asshole with it. You need to stop doing that, Winston.
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>>9164838
>How come diarrhea feels like I cut open a ghost pepper and rimmed my asshole with it?
It doesn't always.

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What traits would you say western women are selecting for in male mates, and vice versa? What is the logic behind them choosing these traits? And what do you predict this will lead to our racing looking/acting like in the near or distant future?
5 posts and 1 images submitted.
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I'm personally selecting for intelligence.
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>>9164670
>What traits would you say western women are selecting for in male mates

Social proof.... whatever the women *PERCEIVE* are the most well respected and liked males.

Theres some other instincts involved in there, but generally, the men that other men respect the most are the ones that women like.

At least, the men that women THINK other men respect.
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>>9165260

>this meme again

just please tell truth to your son so he won't be played around thinking this is true

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