HOLY SHIT, I just had a vision of geniality

>>9118755
Funny, that's how I started to talk to people in the University.

The first month I spent all the time alone but when the exam results came, for some reason the teacher liked to give the results in order, first the higher and finishing with the lowest.

Then people started to talk to me and to this day they still think that I'm very smart, but in reality the only thing I am good at is math, in the rest of the subjects I am below average.

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>>9118755
Or draw Pascal's triangle, that's also what he did. He says he did it in his head but you also admit he was weird, weird/autistic people are self conscious in general so are afraid of telling people about themselves, in this case about how he solved the problem. Maybe he didnt want to be frustrated by all the attention as he was explaining Pascal's triangle. I imagine it went something like
>Dios mio Jose how you solve that ese?
>I did in mi cabesa is all..
>Orale

>>9118755
>Know that [math]\sum\limits_{i = 0}^{m}{m\choose{i}} = 2^m[/math]
>Realize it can't require much calculation if you're only given five minutes
>Notice that the sum is a little off and that 254 is 2 away from a power of 2.

What else could it have been? The guy had some background knowledge and good instincts, nothing more.

Out of curiosity, OP, how did you approach the problem? What were you doing in those 5 minutes?

>>9118898
I gave up after some seconds of frustration.

>>9118755
Literally the question translates to>>9118850

254=2^m-2

Binomial expansion ~ middle school problem

>>9118968
The thing is, "friend", that the question was just the first line, everything below it was just shit I copied from the professor's solution.

>>9118984
Why not post the question, "friend"?

>>9119011
it's already there, the first line
he thinks he's mediocre but the situation is even more grim

I could easily do this shit when I was 15/16 :^)

No one's mentioned it, but your "m"'s are retarded

>>9118802
that's portuguese, not spanish

>>9119397
this, too, I think... and I don't even remember much about this stuff anymore

>>9118755
>>9118850
This. OP, if you remember the summation rule and notice that 254 is close to a power of 2, that question is straightforward. I bet he didn't even calculate it but made a "wise" guess of the answer.
Also, your m's are retarded OP

Just run through Pascal's triangle.

or was it a fraud and a setup? the biggest dupe of mankind!

>>9118755
It's entirely possible he's done a problem similar to this recently and has had time to work it out.
Generally, with probably a few exceptions, if someone seems really good at that subject or can answer most questions, it probably because they have done it before. Some people study the unit content before they start the unit, which is what I would be doing if you think you're not that smart and want to remain competitive.

>>9119632
>>9119730
What the fuck? What exactly is wrong with my m's? They seem pretty fucking normal to me.

>>9119774
The curl at the start of your m makes it look like a n and a m combined making it difficult to read.
I wouldn't be using the cursive form of m in mathematics. Or if you can't do it another way, I slightly italicize if I use m in hand writing so it's easily identifiable as to what kind of character I am referring to.

IQ is only good for calculation speed and recognizing patterns, you'll still have to know the rules. Assuming he had prior knowledge, this is easily solvable in less than 5 minutes no with writing required.

Keep practicing and you can do this in seconds. Don't make the same mistake I did during my combinatorics test and learn it overnight. Only reason I didn't fail miserably was because muh IQ.

>>9119827
with no writing required*
woops

>>9118755
Where are you from op?
Im in México thinking about getting into a math degree

>>9118755
are you fucking kidding me? I thought everyone knows that the sum of binomial coefficients is a power of 2 are you kidding me?

>>9120473
>I thought everyone knows that the sum of binomial coefficients is a power of 2

I didn't know that until I read this post

>>9120489
then you just learned formulas without any understanding.
If you had the slightest bit of intuition about the choose operator you would realize that the sum of possibilities to choose 1, 2, 3 etc. objects from n is equivalent to the number of binary numbers with up to n digits.

Kill yourself subhuman spics.
Get off this board.

>>9120446
Brazil

>>9120520
Holy shit, you are a genius.

>>9118755
anon what that other guy did wasn't really impressive.
and it's just one shitty high school problem, jesus.

>>9120541
obligate us, faggot

>brazilians intellectuals

>>9118755
>Everyone was shocked and the motherfucker even said he did it in his head and without using any of the advanced techniques we were learning at the time, but using only school knowledge about combinatorics. I've never been so shocked in my life.
Combinatorics tends to be one of the harder subjects when first stumbled upon. Just get good by practicing.

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>>9118802
>Orale
ORA!

>>9121827
no shit, sherlock. You can say that about everything

>>9118755
Yeah I don't even know that but like you're assuming you're like level two and he's level three when really he's like level one and you're level zero. I remember in academic challenge we'd get really complicated sounding questions that seemed really hard, then when I answered immediately the other team would flip out. I had people from other schools coming up to me just because they were so impressed and it was really just like nah I'm average and you're just a derp

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>>9118755
>Text written in Spanish Language
OP is a Hispanic Fag

>>9121898
it's portuguese

>>9119774

They're americans and they're used to using print types rather than cursive.
Your Ms look perfectly fine to me.

t. italian

>>9121898
What is that image even meant to show?

>>9118755
Look, all there is to this problem is that the sum of each row of Pascal's triangle is a power of two such that row_n = 2^n. Any brainlet can solve this problem with that fact. I would stay away from this kid since he seems kind of arrogant.

>>9122386
The average IQ of Ameritards.

>>9122393
I see, I honestly don't remember much about Pascal's Triangle, I think I'll study about it as a complement. Thanks.