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Mathematics 9 Online
OpenStudy (anonymous):

Please help!? :O

OpenStudy (anonymous):

OpenStudy (anonymous):

the last one.

OpenStudy (accessdenied):

second-last one seems correct... since you are multiplying by the conjugate 4 + sqrt(11) in both numerator and denominator to eliminate the denominator's radical

OpenStudy (anonymous):

actually no sorry first one.

OpenStudy (accessdenied):

umm 4^2 - 11 16 - 11 5 oops, first one rather

OpenStudy (anonymous):

Oh, I see. O.k, thanks guys! :)

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