SOLUTION: The product of two positive numbers is 576. What is the minimum value of their sum?

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Question 999388: The product of two positive numbers is 576. What is the minimum value of their sum?
Answer by fractalier(6550) About Me  (Show Source):
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The minimum is achieved by the square root of 576...
thus 24 and 24 make a sum of 48...
any other factors sum to greater than that...