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Vincen
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Given that \(xy > 0,\) which of the following must also be greater than zero?
(A) \(x+y\)
(B) \(x^2+y\)
(C) \((x+y)^2\)
(D) \(x^2−y^2+100\)
(E) \((x−y)^2\)
[spoiler]OA=C[/spoiler]
Source: Magoosh
(A) \(x+y\)
(B) \(x^2+y\)
(C) \((x+y)^2\)
(D) \(x^2−y^2+100\)
(E) \((x−y)^2\)
[spoiler]OA=C[/spoiler]
Source: Magoosh