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n n is an odd integer. Is the following statement true or false?

a n + b n + c n = a + b + c n 1 a n + 1 b n + 1 c n = 1 a n + b n + c n \large \sqrt[n]{a} + \sqrt[n]{b} + \sqrt[n]{c} = \sqrt[n]{a + b + c} \iff \dfrac{1}{a^n} + \dfrac{1}{b^n} + \dfrac{1}{c^n} = \dfrac{1}{a^n + b^n + c^n}


This is part of the series: It's easy, believe me!

Cannot be determined. False. True.

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1 solution

Thành Đạt Lê
May 22, 2018

The statement doesn't hold true when n = ± 1 n = \pm 1 .

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