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when toggle format what by license comment
Mar 26, 2023 at 20:45 history edited knrumsey CC BY-SA 4.0
Fixed a typo.
Mar 23, 2023 at 23:03 comment added user67724 There is a typo in your answer. In the penultimate step, the second term on the RHS should be $n \frac{1}{n}$
Dec 2, 2019 at 20:56 history edited knrumsey CC BY-SA 4.0
deleted 7 characters in body
Dec 2, 2019 at 20:36 history answered knrumsey CC BY-SA 4.0