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If \(x=u^2-v^2,\) \(y=2uv\) and \(z=u^2+v^2,\) and if \(x=11,\) what is the value of \(z?\)
(1) \(y = 60\)
(2) \(u = 6\)
Answer: D
Source: GMAT Prep
(1) \(y = 60\)
(2) \(u = 6\)
Answer: D
Source: GMAT Prep
