Which expression is equivalent to $\sqrt[7]{x^{9}y^{9}}$, where $x$ and $y$ are positive?<br/><br/>**

MM

Mashaal Masha

Feb 25, 2024

Which expression is equivalent to $\sqrt[7]{x^{9}y^{9}}$, where $x$ and $y$ are positive?

Difficulty: Medium

A:

(xy)^{\frac{7}{9}}

B:

(xy)^{\frac{9}{7}}

C:

(xy)^{16}

D:

(xy)^{63}

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ID: 65db6c9772be60754a9aed40