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July 29th, 2014, 07:22 PM   #1
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3^x + 4^x =5^x
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July 29th, 2014, 08:22 PM   #2
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Originally Posted by mared View Post
3^x + 4^x =5^x
Supposing x to be an integer, by Fermat's Last Theorem, the only possible answer is x = 2. Which works.

If x is allowed to be real I have no idea how to do it.

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