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/sci/ - Science & Math

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1125664 No.1125664 [Reply] [Original]

How 'bout it /sci/, can you name the square of a natural number that is twice the square of some other natural number?

>> No.1125729

34761632124320656

>> No.1125726

>>1125664
dammit not possible
x^2 = 2 y^2 so sqrt(x/y) = sqrt(2)
sqrt(2) is irrational so x/y is irrational so x or y is nonnatural

>> No.1125746

>>1125729
this seems legit

>> No.1125758

>>1125729
nice
>>1125726
get better at algebra

>> No.1125793

>>1125758
>>1125729
how?

>> No.1125798

>>1125726

I really do not understand the flaw in his logic (except of course the sqrt(x / y) part which is supposed to be sqrt(x^2 / y^2)

>> No.1125806

>>1125729
That's pretty good.

>> No.1125814

>>1125746
>>1125758
>>1125806
Are you all high?
34761632124320656 / 2 = 17380816062160328
sqrt(17380816062160328) = 131836322.99999999620741849725284

>> No.1125818

>>1125814
That's the point, it works on most calculators. Hell, even on google's calc

>> No.1125834

>>1125814
>sqrt(17380816062160328) = 131836322.99999999620741849725284
>131836322.99999999620741849725284
>2.99999999620741849725284
>2.99999...
>3

>> No.1125836

>>1125814

Phew, for a second I was about to jump out a window thinking the universe to be an illogical place. I had my suspicions it was a calculation/rounding error on the google calculator.

>> No.1125843

>>1125836
Google calculator is for scrubs.

http://www.wolframalpha.com/input/?i=%2817380816062160328%29+^+0.5

>> No.1125847

>>1125729
Your number factors out to be
(5471 x 353 x 23 x 2 x 2)^2.

It is not a solution to the problem.

>> No.1125849

>>1125758
fucking fail

>> No.1125851

>>1125834
0.99999.... =/= 1
anyone who says otherwise is full of shit

>> No.1125866

(p1*p2*p3*...pn)^2 != 2*(q1*q2*q3*...qm)^2
for any amount of p,q in the naturals... 2 doesnt have a pair

>> No.1125872

>>1125851

1/9 = 0.1111111111---
3 x 1/9 = 1. 3 x 0.11111111--- = 0. 999999999---
1=0.99999999999999---

>> No.1125873

>>1125851

1/3 = 0.333333333333333..

0.3333333333.. x 3 = 0.999999999999999...

1 = 0.99999999999999999..

>> No.1125880

>>1125873
>>1125872
>>1125851
>>1125834
i see what you did thar

>> No.1125884

>>1125847
D'oh, I meant to type
(5741 x 353 x 23 x 2 x 2)^2

It is not a solution to the problem.

>> No.1125887
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1125887

>>1125729

>> No.1125889

>>1125872
>>1125873
not a proof

>> No.1125905 [DELETED] 
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1125905

>>1125664

>> No.1125907
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1125907

>> No.1125911
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1125911

>>1125889
>>1125880
>>1125873
>>1125872
>>1125851

>> No.1125912

>>1125907
>peeple

>> No.1125918

>>1125912
its an o
look at the differences

>> No.1125931

>>1125918
>implying graphology is science
ohyou.jpg

>> No.1125938

>>1125907
can someone confirm this?

>> No.1125960

>>1125911
fucking saved