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If \(x-y=\sqrt{12}\) and \(x+y=\sqrt3,\) what is the value of \(x^2-y^2?\)

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by Gmat_mission » Fri Feb 11, 2022 8:38 am

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If \(x-y=\sqrt{12}\) and \(x+y=\sqrt3,\) what is the value of \(x^2-y^2?\)

(A) 3
(B) 6
(C) 9
(D) 36
(E) It cannot be determined from the information given.

Answer: B

Source: Manhattan GMAT
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