How to interpret 3^3 + 4^3 + 5^3 = 6^3 ?

  • Thread starter josdavi
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  • #1
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I found a special equation about 29 years ago (with a FORTRAN Program) -
3**3 + 4**3 + 5**3 = 6**3

I was/am not a mathematician, not able to fully understand the meaning behind this equation, maybe someone can derive some useful ideas like Pythagoras' theorem.

Is this equation related to 4-D objects ?
 

Answers and Replies

  • #2
MathematicalPhysicist
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i think euler found the same thing (im not sure).
 
  • #3
jcsd
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That equation has been known for a long time, it' simlair to 3^2 + 4^2 = 5^2 (which is very useful when using pythagoras' theorum) and the like, but in three dimensions.

Obviuosly it is useful in any formula that uses x^3 + y^3 + z^3
 
  • #4
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btw if you are interested in equations of that sort like this one:a1k+ a2k+ ... + amk = b1k+ b2k+ ... + bnk k-exponent n,m-indicators you have this website:http://euler.free.fr/index.htm
 

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