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Moderate

Roots: Simplify Cube Root

GMAT-8DJGEV

Which is equivalent to $\sqrt[3]{x^9y^{12}}$?

A

$x^6y^9$

B

$x^3y^4$

C

$x^{\sqrt[3]9}y^{\sqrt[3]{12}}$

D

$(xy)^7$

E

$(xy)^{36}$