Question: Given numbers x1, x2, . . . , xn, show that with equality holding only if x1 = x2 = ................. =xn. n I=n 1=1

Given numbers x1, x2, . . . , xn, show that

n I=n 1=1 2

with equality holding only if x1 = x2 = ................. =xn.

n I=n 1=1 2

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