SOLUTION: Need to solve this please help! 1/(√(5&11)-√(5&3))

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Question 477630: Need to solve this please help! 1/(√(5&11)-√(5&3))
Answer by richard1234(7193) About Me  (Show Source):
You can put this solution on YOUR website!
What does the ampersand (&) denote? Some sort of binary function?