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/sci/ - Science & Math

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>> No.6180707 [View]
File: 259 KB, 974x974, 8d7f5227.jpg [View same] [iqdb] [saucenao] [google]
6180707

13*x^2 + 17*y^2 = z

Are there any sets of two integers that produce the same z value?

IE
2,3 => 13*2^2 + 17*3^2 = 205
3,2 => 13*3^2 + 17*2^2 = 185

I sincerely hope not, but I'd like to be sure.

Sorry about the lack of proper mathematics, I could never get the maths system that /sci/ uses right.

Pic unrelated, but looks interesting and arguable.

>> No.4859981 [View]
File: 259 KB, 974x974, 1337812635591.jpg [View same] [iqdb] [saucenao] [google]
4859981

Hello?

Soon I will study "Engineering science" at the tu munich.
anyone got experience with this course / the university?

pic UNRELATED!

>> No.4711413 [View]
File: 259 KB, 974x974, space time.jpg [View same] [iqdb] [saucenao] [google]
4711413

What is an Atomic Clock?
What is Time Dilation?
>>What have these two got to do with Einstein's theories?
Pic sorta related

>> No.2984078 [View]
File: 259 KB, 974x974, Relativity.jpg [View same] [iqdb] [saucenao] [google]
2984078

>> No.2793894 [View]
File: 259 KB, 974x974, 1301323031836.jpg [View same] [iqdb] [saucenao] [google]
2793894

found this on /b/

>> No.2346817 [View]
File: 259 KB, 974x974, 1288626569417.jpg [View same] [iqdb] [saucenao] [google]
2346817

>> No.1982948 [View]
File: 259 KB, 974x974, Relativity.jpg [View same] [iqdb] [saucenao] [google]
1982948

/sci/, can a spacecraft reenter the atmosphere against the world's rotation? Someone told me they couldn't because the atmosphere would be spinning with the earth's rotation, so then the vehicle in question would get gradually forced directly down and then backwards as the air is accelerating it with the earth's rotation. I said that the air itself isn't spinning with the earth's rotation so there shouldn't be a problem. Who was right?

picture unrelated

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