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If \(x, y\) and \(z\) are positive, is \(x = \dfrac{y}{z^2}?\)
(1) \(z=\dfrac{y}{xz}\)
(2) \(z=\sqrt{\dfrac{y}{x}}\)
[spoiler]OA=D[/spoiler]
Source: Official Guide
(1) \(z=\dfrac{y}{xz}\)
(2) \(z=\sqrt{\dfrac{y}{x}}\)
[spoiler]OA=D[/spoiler]
Source: Official Guide
