GRE Question of the Day (September 17)

Math

If $(x - y) = \sqrt{12}$ and $(x + y) = \sqrt{3}$ , 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.

Correct Answer - B - (click and drag your mouse to see the answer)

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