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[Math Revolution GMAT math practice question]
If x, y, z are positive integers and x<y<z, which of the following must be greater than (z^x)(z^y)?
A. y^{2z}
B. y^{2y}
C. x^{2y}
D. x^{zx}
E. z^{2y}
If x, y, z are positive integers and x<y<z, which of the following must be greater than (z^x)(z^y)?
A. y^{2z}
B. y^{2y}
C. x^{2y}
D. x^{zx}
E. z^{2y}
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