Likely easy

Algebra Level 3

The minimum value of the sum of real numbers a 5 , 5 a 4 , 3 a 3 , 1 , 5 a 6 a^{-5} , 5a^{-4} , 3a^{-3} , 1 , 5a^6 and 2 a 2 2a^2 for positive a a is:


The answer is 17.

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1 solution

Shivang Gupta
Jan 29, 2016

Using AM Greater then equal to GM suppose 3a^-3 Is written it can be written as : a^-3 + a^-3 + a^-3 this problem can be solved

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