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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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
回答 (1)
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. :-)
f(x) x² + y² = x + (16/x)² = x² + 256/x². :-)
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