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Is \(4^{x+y} = 8^{10}?\)
(1) \(x-y=9\)
(2) \(\dfrac{y}{x}=\dfrac{1}{4}\)
[spoiler]OA=C[/spoiler]
Source: Official Guide
(1) \(x-y=9\)
(2) \(\dfrac{y}{x}=\dfrac{1}{4}\)
[spoiler]OA=C[/spoiler]
Source: Official Guide
