My Math Forum Prove that this sum is irrational

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August 9th, 2017, 03:03 PM   #11
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Quote:
 Originally Posted by complicatemodulus He said $(e^{1/7})^7$

cjem's post #8 is entirely correct. Mathman misspoke himself, confusing the expression in the original post with the well-known series for $e^x$, as cjem noted.

Last edited by Maschke; August 9th, 2017 at 03:06 PM.

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