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- Aug 12th 2012, 01:13 AM #1

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## If 4x + 4/x = 40, what is the value of x^2 + 1/x^2?

- Aug 12th 2012, 01:16 AM #2
## Re: If 4x + 4/x = 40, what is the value of x^2 + 1/x^2?

- Aug 12th 2012, 01:35 AM #3

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