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Simplify and express the answer with positive exponent.

\(\begin{array}{l}\left [ \sqrt[3]{x^{4}y}\times \frac{1}{\sqrt[3]{xy^{7}}} \right ]^{-4}\end{array} \) Solution: \(\begin{array}{l}\left [ \sqrt[3]{x^{4}y}\times \frac{1}{\sqrt[3]{xy^{7}}} \right ]^{-4}\end{array} \)  = [(x4/3y1/3).(1/x1/3y7/3)]-4 = (xy-2)-4 =... View Article