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3 sqrt(2/7) is 6 over the square root of 14.

Added 1/2/2014 5:43:13 AM

This answer has been confirmed as correct and helpful.

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6 / square root(14) = 1.60356745147

Source- search the term '6 over the square root of 14' in Google search and Google calculator will calculate it for you.

Added 1/2/2014 6:19:25 AM

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