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Mathematics 7 Online
OpenStudy (anonymous):

If (x+y)^(1/2)=(x-y)^(-1/2) which of the following is true? y=0 or x+y=1 or x-y=1 or x^2-y^2=1

OpenStudy (anonymous):

How do you raise (x+y) to the 1/2 power?

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