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Due on Nov. 02, 2009
Asked on Nov 02, 2009 at 1:41:59PM

Q:

Suppose the product of x and y is 64 and both x and y are positive. What is the minumum possible sum of x and y?

The minimum sum equals?

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kamleshsingh
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Posted on Nov 02, 2009 at 2:02:55PM

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Preview: ... ct to x and equate to 0, w ...

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jam007
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Posted on Nov 02, 2009 at 2:10:33PM

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Preview: ... ince xy=64 y=64/x Let S be the sum. ...

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Posted on Nov 02, 2009 at 6:33:59PM

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Preview: ... = x + 64/x So, dS/dx = 1 - 64/x2 For ...

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