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If \(x\ne 0\) and \(x=\sqrt{4xy-4y^2},\) then in terms of \(y,\) \(x = ?\)
A. \(2y\)
B. \(y\)
C. \(\dfrac{y}2\)
D. \(\dfrac{4y^2}{1-4y}\)
E. \(-2y\)
Answer: A
Source: GMAT Paper Tests
A. \(2y\)
B. \(y\)
C. \(\dfrac{y}2\)
D. \(\dfrac{4y^2}{1-4y}\)
E. \(-2y\)
Answer: A
Source: GMAT Paper Tests