Answer
$x^{6}$
Work Step by Step
Given : $(\frac{x^{n}}{x^{n-2}}$$)^{3}=$ $(x^{n-(n-2)})^{3}=$ $(x^{n-n+2})^{3}=$ $(x^{2})^{3}=$ $x^{6}$
Since $\frac{a^{m}}{a^{n}}=$ $a^{m-n}$ and $(a^{m})^{n}=$ $a^{mn}$
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