The product of two numbers is 16. Express the sum of the squares of the two numbers as a function of a single variable.?

2014-07-24 7:20 pm

The product of two numbers is 16. Express the sum of the squares of the two numbers as a function of a single variable.

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2014-07-24 9:08 pm

xy = 16, so y = 16/x, and so your function can be:
f(x) x² + y² = x + (16/x)² = x² + 256/x². :-)

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