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If x = 3 -23 + 2, y = 3 + 23 - 2, what is x3 + y3 + 14xyx + y?

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by Max@Math Revolution » Wed May 20, 2020 3:01 am

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[GMAT math practice question]

If x = \(\sqrt{3}\) -2/ \(\sqrt{3}\) + 2, y = \(\sqrt{3}\) + 2/ \(\sqrt{3}\) - 2, what is x^3 + y^3 + 14xy/x + y?

A. 172
B. 192
C. 201
D. 213
E. 225
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