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MATH / Let a, b, c, d be positive real numbers such that a+b+c+d=1. Find the minimum value of (1)/(a)+(1)/(b)+(4)/(c)+(16)/(d). · Discussion

Discussing Let a, b, c, d be positive real numbers such that a+b+c+d=1. Find the minimum value of (1)/(a)+(1)/(b)+(4)/(c)+(16)/(d). · MATH

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